<?xml version="1.0"?>
<!DOCTYPE global-tones SYSTEM "./tones.dtd">
<global-tones>
  <tone-set country="Albania" uncode="al">
    <dial-tone>
      <step freq="425"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.15"/>
        <step length="0.15"/>
      </step>
    </congestion-tone>
  </tone-set>
  <tone-set country="Algeria" uncode="dz">
    <ringing-tone>
      <step cycles="endless">
        <step freq="25 || 50" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Angola" uncode="ao">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="25" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="1.0"/>
      <step length="5.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Anguilla" uncode="ai">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="440" level="-12" length="0.5"/>
        <step length="10.0"/>
      </step>
      <step length="0.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Antigua and Barbuda" uncode="ag">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="480" level="-12" length="0.5"/>
        <step length="10.0"/>
        <step freq="480" level="-12" length="0.5"/>
      </step>
    </waiting-tone>
    <test-number-tone>
      <step freq="1004" level="-12"/>
    </test-number-tone>
  </tone-set>
  <tone-set country="Argentina" uncode="ar">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.4"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step cycles="5">
        <step freq="1400" level="-12" length="0.1"/>
        <step length="1.9"/>
      </step>
    </warning-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.2"/>
      <step length="0.4"/>
      <step length="4.0"/>
    </waiting-tone>
    <call-waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="10.0"/>
    </call-waiting-tone>
    <end-of-three-party-service-tone>
      <step cycles="1">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
    </end-of-three-party-service-tone>
    <service-activated-tone>
      <step freq="425" level="-12" length="1.0"/>
      <step length="0.25"/>
    </service-activated-tone>
  </tone-set>
  <tone-set country="Aruba" uncode="aw">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="4.4"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Ascension Islands" uncode="??">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <warning-tone type="operator-intervening">
      <step freq="440" level="-12" length="0.8"/>
      <step length="6.0"/>
      <step freq="440" level="-12" length="0.2"/>
      <step length="6.0"/>
      <step freq="440" level="-12" length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Australia" uncode="au">
    <dial-tone>
      <step freq="400+450" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="154" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="383+417" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="383+417" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
        <step freq="400" level="-22" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="1.0"/>
      <step length="15.0"/>
      <step freq="525" level="-12" length="0.36"/>
      <step length="15.0"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="525" level="-12" length="0.1"/>
      <step length="4.7"/>
    </waiting-tone>
    <record-tone>
      <step cycles="endless">
        <step freq="1400" level="-12" length="0.425"/>
        <step length="14.525"/>
      </step>
    </record-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.075"/>
      <step length="0.15"/>
      <step freq="750+1450" level="-12" length="0.075"/>
      <step length="2.7"/>
    </payphone-recognition-tone>
    <facilities-tone>
      <step freq="425" level="-12"/>
    </facilities-tone>
    <offering-tone>
      <step freq="525" level="-12" length="0.1"/>
      <step length="0.1"/>
    </offering-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Austria" uncode="at">
    <dial-tone>
      <step freq="420 || 450" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="380+420" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="420" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="420 || 450" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="420" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <busy-tone domain="analogue">
      <step cycles="endless">
        <step freq="450" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="420" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <congestion-tone domain="analogue">
      <step cycles="endless">
        <step freq="450" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="420 || 450" level="-12" length="0.15"/>
      <step length="0.15"/>
      <step freq="420 || 450" level="-12" length="0.15"/>
      <step length="1.95"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="420" level="-12" length="0.04"/>
      <step length="1.95"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1336" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1633" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <positive-indication-tone>
      <step freq="380+420" level="-12" length="1.0"/>
      <step length="5.0"/>
    </positive-indication-tone>
    <negative-indication-tone>
      <step freq="380+420" level="-12" length="0.4"/>
      <step length="0.4"/>
    </negative-indication-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Bahamas" uncode="bs">
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480 || 400+440 || 400" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480 || 400" level="-12" length="0.5"/>
        <step length="0.5"/>
        <step freq="620 || 400" level="-12" length="0.5"/>
        <step length="0.5"/>
        <step freq="420 || 400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Bahrain" uncode="bh">
    <dial-tone>
      <step freq="330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440 || 450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="440 || 450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <intercept-tone>
      <step freq="450 || 425+475" level="-12" length="0.05"/>
      <step length="0.05"/>
    </intercept-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.06"/>
      <step length="0.06"/>
    </route-tone>
    <payphone-recognition-tone>
      <step freq="816+1209" level="-12" length="0.125"/>
      <step length="1.5"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Barbados" uncode="bb">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step cycles="2">
        <step freq="350+440" level="-12" length="1.0"/>
        <step length="1.0"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
  </tone-set>
  <tone-set country="Belarus" uncode="by">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Belgium" uncode="be">
    <dial-tone>
      <step freq="425 || 450" level="-12"/>
    </dial-tone>
    <dial-tone type="second" domain="analogue">
      <step freq="900" level="-12" length="0.333"/>
      <step freq="1020" level="-12" length="0.333"/>
      <step freq="1140" level="-12" length="0.333"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.167"/>
        <step length="0.167"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="900" level="-12" length="0.333"/>
      <step freq="1380" level="-12" length="0.333"/>
      <step freq="1860" level="-12" length="0.333"/>
    </special-information-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Benin" uncode="bj">
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Bermuda" uncode="bm">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step cycles="6">
          <step freq="200 || 400" level="-12" length="0.5"/>
          <step length="0.5"/>
        </step>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="2">
        <step freq="440" level="-12" length="1.0"/>
        <step length="10.0"/>
      </step>
    </waiting-tone>
  </tone-set>
  <tone-set country="Bhutan" uncode="bt">
    <dial-tone>
      <step freq="400+25" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+25" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+25" level="-12" length="0.4"/>
        <step length="2.6"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.6"/>
        <step length="0.6"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.25"/>
    </waiting-tone>
    <offering-tone>
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.6"/>
    </offering-tone>
  </tone-set>
  <tone-set country="Botswana" uncode="bw">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400 || 450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.16"/>
      <step length="2.0"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="1.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.07"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Brazil" uncode="br">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="425" level="-12" length="0.975"/>
      <step length="0.05"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.75"/>
        <step length="0.25"/>
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="1.0"/>
    </waiting-tone>
    <executive-override-tone>
      <step freq="750" level="-12" length="0.02"/>
      <step length="1.0"/>
    </executive-override-tone>
    <function-acknowledge-tone>
      <step freq="425" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step length="0.1"/>
      <step length="2.0"/>
    </function-acknowledge-tone>
    <pay-tone>
      <step freq="300" level="-12" length="0.75"/>
    </pay-tone>
  </tone-set>
  <tone-set country="British Virgin Islands" uncode="vg">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="440" level="-12" length="0.5"/>
        <step length="10.0"/>
        <step length="0.5"/>
      </step>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Brunei Darussalam" uncode="bn">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <dial-tone type="transmission">
      <step freq="1000" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.3"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="400" level="-12" length="0.25"/>
      <step length="2.0"/>
    </warning-tone>
    <warning-tone type="end-of-period">
      <step freq="400" level="-12" length="0.624"/>
      <step length="4.376"/>
    </warning-tone>
    <warning-tone type="pip-tone">
      <step freq="900" level="-12" length="0.25"/>
      <step length="0.25"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="376+424" level="-12" length="0.5"/>
    </waiting-tone>
    <confirmation-tone>
      <step freq="376+424" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="376+424" level="-12" length="0.3"/>
      <step length="0.3"/>
    </confirmation-tone>
    <holding-tone>
      <step freq="376+424" level="-12" length="0.5"/>
      <step length="2.5"/>
    </holding-tone>
  </tone-set>
  <tone-set country="Bulgaria" uncode="bg">
    <dial-tone>
      <step freq="425" level="-12" length="0.25"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.7"/>
      <step length="0.8"/>
    </dial-tone>
    <dial-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.75"/>
        <step freq="425" level="-12" length="0.75"/>
        <step length="1.0"/>
      </step>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="9.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.83"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step length="0.15"/>
      <step length="1.15"/>
    </warning-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.3"/>
      <step length="0.2"/>
      <step length="1.5"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="1800" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Burkina Faso" uncode="bf">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone domain="analogue">
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="analogue">
      <step cycles="endless">
        <step freq="440+480" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone domain="analogue">
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone domain="analogue">
      <step cycles="endless">
        <step freq="480+620" level="-12" length="2.4"/>
        <step length="2.4"/>
      </step>
    </congestion-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <route-tone domain="analogue">
      <step freq="425" level="-12" length="0.04"/>
      <step length="0.04"/>
    </route-tone>
  </tone-set>
  <tone-set country="Burundi" uncode="bi">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="150" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="450" level="-12" length="0.5"/>
    </special-information-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.5"/>
    </route-tone>
  </tone-set>
  <tone-set country="Cameroon" uncode="cm">
    <dial-tone>
      <step freq="440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330 || 440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Canada" uncode="ca">
    <dial-tone>
      <step freq="480+720 || 350+440" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall" domain="PABX">
      <step freq="350+440" level="-12" length="0.1"/>
      <step length="0.1"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="PABX">
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <executive-override-tone domain="PABX">
      <step freq="440" level="-12" length="3.0"/>
    </executive-override-tone>
    <intercept-tone domain="PABX">
      <step freq="440" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="620" level="-12" length="0.25"/>
      <step length="0.25"/>
    </intercept-tone>
    <confirmation-tone domain="PABX">
      <step cycles="2">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12" length="0.1"/>
    </confirmation-tone>
  </tone-set>
  <tone-set country="Cayman Islands" uncode="ky">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Central African Republic" uncode="cf">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <pay-tone>
      <step freq="12000" level="-12" length="0.15"/>
      <step length="0.15"/>
    </pay-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Channel Islands: Jersey" uncode="??">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="0.1"/>
      <step length="2.5"/>
      <step freq="400" level="-12" length="0.1"/>
    </waiting-tone>
    <pay-tone>
      <step freq="400" level="-12" length="0.125"/>
      <step length="0.125"/>
    </pay-tone>
  </tone-set>
  <tone-set country="Chile" uncode="cl">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="1400" level="-12" length="0.5"/>
      <step length="15.0"/>
    </warning-tone>
    <waiting-tone>
      <step freq="900+1300" level="-12" length="0.5"/>
      <step length="0.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <identification-tone>
      <step freq="800" level="-12" length="0.6"/>
      <step length="2.0"/>
      <step freq="1200" level="-12" length="0.6"/>
      <step length="2.0"/>
    </identification-tone>
    <warning-tone type="end-of-period">
      <step freq="800" level="-12" length="2.0"/>
    </warning-tone>
  </tone-set>
  <tone-set country="China" uncode="cn">
    <dial-tone>
      <step freq="450" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.35"/>
        <step length="0.35"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.7"/>
        <step length="0.7"/>
      </step>
    </congestion-tone>
    <intrusion-tone>
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.6"/>
    </intrusion-tone>
    <special-information-tone>
      <step freq="450" level="-12" length="0.4"/>
      <step length="0.04"/>
    </special-information-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.4"/>
      <step length="10.0"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step cycles="3">
          <step freq="450" level="-12" length="0.1"/>
          <step length="0.1"/>
        </step>
        <step freq="450" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="450" level="-12" length="0.4"/>
      <step length="4.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Comoros" uncode="km">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="850" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.71"/>
        <step length="3.31"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Costa Rica" uncode="cr">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="4.6"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Croatia" uncode="hr">
    <dial-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.7"/>
      <step length="0.8"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-20" length="0.2"/>
      <step length="0.3"/>
      <step freq="425" level="-20" length="0.7"/>
      <step length="0.8"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="8.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step cycles="4">
        <step freq="1206" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="850" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <positive-indication-tone>
      <step freq="425" level="-12"/>
    </positive-indication-tone>
    <negative-indication-tone>
      <step freq="425" level="-12" length="0.25"/>
      <step length="0.25"/>
    </negative-indication-tone>
  </tone-set>
  <tone-set country="Cuba" uncode="cu">
    <dial-tone>
      <step freq="480+720 || 425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="425" level="-12" length="0.75"/>
      <step length="0.75"/>
      <step freq="425" level="-12" length="0.25"/>
      <step length="0.25"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="1050" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480 || 440+620 || 480+620" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="380+460" level="-12" length="1.0"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+720 || 620+480 || 425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+720" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="0.03"/>
      <step length="1.0"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="520" level="-12" length="0.4"/>
        <step cycles="2">
          <step length="0.12"/>
          <step freq="520" level="-12" length="0.12"/>
        </step>
        <step length="0.12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Cyprus" uncode="cy">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.5"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="375+425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="375+425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="1400" level="-12" length="0.5"/>
      <step length="14.0"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1638" level="-12" length="0.068"/>
      <step length="0.068"/>
      <step freq="1206" level="-12" length="0.068"/>
      <step length="0.068"/>
      <step freq="943" level="-12" length="0.068"/>
      <step length="0.068"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Czech Republic" uncode="cz">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="0.333"/>
      <step freq="425" level="-12" length="0.66"/>
      <step length="0.66"/>
    </dial-tone>
    <dial-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.165"/>
        <step length="0.165"/>
        <step freq="425" level="-12" length="0.660"/>
        <step length="0.660"/>
      </step>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.167"/>
        <step length="0.167"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.165"/>
        <step length="0.165"/>
        <step freq="425" level="-12" length="0.165"/>
        <step length="0.330"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="5.0"/>
    </waiting-tone>
    <connection-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </connection-tone>
    <offering-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="0.333"/>
      <step freq="425" level="-12" length="0.333"/>
      <step length="1.5"/>
    </offering-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Denmark" uncode="dk">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="150" level="-12" length="0.05"/>
      <step length="0.5"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <pay-tone>
      <step freq="950" level="-12" length="0.22"/>
      <step freq="1400" level="-12" length="0.22"/>
      <step freq="1800" level="-12" length="0.22"/>
      <step length="1.0"/>
    </pay-tone>
    <payphone-recognition-tone>
      <step freq="1477+941" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1400+950" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Diego Garcia" uncode="??">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="interrupted at 60 ipm"/>
      </step>
    </busy-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="interrupted at 120 ipm"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Djibouti" uncode="dj">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Dominica (Commonwealth of)" uncode="dm">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="440" level="-12" length="0.5"/>
        <step length="10.0"/>
        <step length="0.5"/>
      </step>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Dominican Republic" uncode="do">
    <dial-tone>
      <step freq="50" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="33" level="-12" length="0.0166"/>
      <step length="0.0166"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400 || 450" level="-12" length="0.4"/>
        <step length="2.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.8"/>
        <step length="0.8"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.8"/>
        <step length="0.8"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Ecuador" uncode="ec">
    <dial-tone>
      <step freq="425" level="-12" length="15.0"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="4.65"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </congestion-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Egypt" uncode="eg">
    <ringing-tone>
      <step cycles="endless">
        <step freq="375+475" level="-12" length="2.0"/>
        <step length="1.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="375+475" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <intrusion-tone>
      <step freq="450" level="-12" length="0.5"/>
      <step length="0.5"/>
    </intrusion-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="El Salvador" uncode="sv">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Estonia" uncode="ee">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="1.3"/>
    </warning-tone>
    <waiting-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="0.3"/>
    </waiting-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Ethiopia" uncode="et">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <intrusion-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.2"/>
    </intrusion-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Falkland Islands" uncode="fk">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.255"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="1000" level="-12" length="0.1"/>
      <step length="0.1"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Faroe Islands" uncode="fo">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Fiji" uncode="fj">
    <dial-tone>
      <step freq="33 || 50" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="33.33" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="116.33+149.67 || 375+425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="116.33+149.67 || 375+425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="PABX">
      <step cycles="endless">
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone domain="PABX">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <warning-tone type="operator-intervening">
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.17"/>
      <step freq="400" level="-12" length="0.17"/>
      <step length="0.17"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone domain="PABX">
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Finland" uncode="fi">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step cycles="2">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.3"/>
      </step>
      <step length="0.2"/>
      <step length="0.8"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.65"/>
      <step length="0.025"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="1.3"/>
    </warning-tone>
    <queue-tone>
      <step freq="950" level="-12" length="0.65"/>
      <step length="0.325"/>
      <step freq="950" level="-12" length="0.325"/>
      <step length="1.3"/>
      <step freq="1400" level="-12" length="2.6"/>
    </queue-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.15"/>
      <step freq="425" level="-12" length="0.15"/>
      <step length="8.0"/>
    </waiting-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="France" uncode="fr">
    <dial-tone>
      <step freq="330+440 || 440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="French Polynesia" uncode="pf">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Gabon" uncode="ga">
    <dial-tone>
      <step freq="440" level="-12" length="15.0"/>
    </dial-tone>
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+440" level="-12" length="7.0"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="900" level="-12" length="0.35"/>
      <step freq="1380" level="-12" length="0.30"/>
      <step freq="1860" level="-12" length="0.35"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Gambia" uncode="gm">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Germany" uncode="de">
    <dial-tone>
      <step freq="425 || 450" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="400+425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.25"/>
        <step length="4.0"/>
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.5"/>
        <step length="4.0"/>
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="1.0"/>
        <step length="9.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.48"/>
        <step length="0.48"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.15"/>
        <step length="0.475"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.24"/>
        <step length="0.24"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.15"/>
        <step length="0.475"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425 || 450" level="-12" length="0.24"/>
      <step length="0.24"/>
      <step freq="425 || 450" level="-12" length="0.24"/>
      <step length="1.28"/>
    </warning-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="5.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step cycles="5">
        <step freq="1633" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="1336" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step cycles="5">
        <step freq="1366" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="1024" level="-12" length="0.2"/>
        <step length="2.2"/>
      </step>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step cycles="6">
        <step freq="1336" level="-12" length="2.2"/>
        <step length="0.2"/>
        <step freq="1024" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step cycles="5">
        <step freq="1645+857" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="1215+935" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Ghana" uncode="gh">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.075"/>
        <step length="0.1"/>
        <step freq="400" level="-12" length="0.075"/>
        <step length="0.1"/>
        <step freq="400" level="-12" length="0.075"/>
        <step length="0.4"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.3"/>
      <step freq="400" level="-12" length="0.2"/>
      <step length="0.3"/>
      <step freq="400" level="-12" length="0.2"/>
      <step length="3.0"/>
    </waiting-tone>
    <holding-tone>
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.25"/>
    </holding-tone>
  </tone-set>
  <tone-set country="Gibraltar" uncode="gi">
    <dial-tone>
      <step freq="350+400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="0.1"/>
      <step length="3.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Greece" uncode="gr">
    <dial-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.2"/>
        <step length="0.3"/>
        <step freq="425 || 450" level="-12" length="0.7"/>
        <step length="0.8"/>
      </step>
    </dial-tone>
    <dial-tone type="special">
      <step cycles="endless">
        <step freq="400 || 425" level="-12" length="0.2"/>
        <step length="0.3"/>
        <step freq="425 || 450" level="-12" length="0.7"/>
        <step length="0.8"/>
      </step>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.15"/>
        <step length="0.15"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step freq="1450" level="-12" length="0.33"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="10.0"/>
      <step freq="425" level="-12" length="0.3"/>
      <step length="10.0"/>
    </waiting-tone>
    <intrusion-tone>
      <step freq="425 || 450" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="425 || 450" level="-12" length="0.15"/>
      <step length="1.45"/>
    </intrusion-tone>
    <holding-tone>
      <step freq="900" level="-12" length="0.5"/>
      <step length="0.5"/>
    </holding-tone>
    <valid-tone-radio-paging>
      <step freq="450" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="450" level="-12" length="0.1"/>
      <step length="0.7"/>
    </valid-tone-radio-paging>
    <number-unobtainable-tone domain="radio-paging">
      <step cycles="endless">
        <step freq="450" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Greenland" uncode="gl">
    <dial-tone>
      <step freq="445 || 425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="445 || 425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="445 || 425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="445 || 425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="445 || 425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <pay-tone>
      <step freq="950" level="-12" length="0.22"/>
      <step freq="1400" level="-12" length="0.22"/>
      <step freq="1800" level="-12" length="0.22"/>
      <step length="1.0"/>
    </pay-tone>
  </tone-set>
  <tone-set country="Grenada" uncode="gd">
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="460+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </congestion-tone>
  </tone-set>
  <tone-set country="Guadeloupe (French Dep.)" uncode="gp">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Guiana (French Dep.)" uncode="gf">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Guinea" uncode="gn">
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Guyana" uncode="gy">
    <dial-tone>
      <step freq="360+400" level="-12" length="1.3"/>
      <step length="0.3"/>
      <step freq="360+400" level="-12" length="0.2"/>
      <step length="0.5"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.75"/>
        <step length="3.25"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <waiting-tone>
      <step freq="480" level="-12" length="0.5"/>
      <step length="18.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Honduras" uncode="hn">
    <dial-tone>
      <step freq="440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="440" level="-12" length="0.135"/>
      <step length="0.135"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="4.0"/>
        <step freq="440" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <waiting-tone>
      <step freq="440" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="440" level="-12" length="0.2"/>
      <step length="2.7"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Hong Kong" uncode="hk">
    <dial-tone>
      <step freq="350+440 [1%]" level="-13 [-15 -5]" recognition-length="0.3"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440 [1%]" level="-13 [-15 -5]" length="0.1 [10%]"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440 [1%]" level="-13 [-15 -5]" recognition-length="0.3"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480 [1%]" level="-13" length="0.4 [10%]"/>
        <step length="0.2 [10%]"/>
        <step freq="440+480 [1%]" level="-13" length="0.4 [10%]"/>
        <step length="3.0 [10%]" recognition-length="0.6"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620 [1%]" level="-13" length="0.5 [10%]"/>
        <step length="0.5 [10%]"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620 [1%]" level="-13" length="0.25 [10%]"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step freq="480+620 [1%]" level="-13" recognition-length="0.9"/>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="endless">
        <step cycles="3">
          <step freq="440 [1%]" level="-10" length="0.5 [10%]"/>
          <step length="0.5 [10%]"/>
        </step>
        <step length="8.0 [10%]" recognition-length="1.0"/>
      </step>
    </waiting-tone>
  </tone-set>
  <tone-set country="Hungary" uncode="hu">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="350+375+400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="3.7"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.3"/>
        <step length="0.3"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.3"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.3"/>
      <step length="1.5"/>
    </warning-tone>
    <waiting-tone>
      <step freq="425+450" level="-12" length="0.3"/>
      <step length="0.3"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1100" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <positive-indication-tone>
      <step freq="300+420" level="-12" length="1.0"/>
      <step length="0.2"/>
      <step recorded-announcement="true"/>
    </positive-indication-tone>
    <negative-indication-tone>
      <step freq="300+420" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step recorded-announcement="true"/>
    </negative-indication-tone>
    <offering-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="0.3"/>
      <step freq="425" level="-12" length="0.3"/>
      <step length="1.5"/>
    </offering-tone>
  </tone-set>
  <tone-set country="Iceland" uncode="is">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="4.7"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="5.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1633" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1209" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="India" uncode="in">
    <dial-tone>
      <step freq="33 || 50 || 375+425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="375+425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="375+425" level="-12" length="0.4"/>
        <step length="2.6"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="133 || 375+425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="133 || 375+425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.6"/>
        <step length="0.6"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Indonesia" uncode="id">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.0"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <payphone-recognition-tone>
      <step freq="1200" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="800" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <offering-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="425" level="-12" length="0.5"/>
      <step length="1.0"/>
    </offering-tone>
  </tone-set>
  <tone-set country="Iran" uncode="ir">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="400+425" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="10.0"/>
    </waiting-tone>
    <holding-tone>
      <step freq="950" level="-12" length="0.65"/>
      <step length="0.325"/>
      <step freq="950" level="-12" length="0.325"/>
      <step length="1.3"/>
      <step freq="1400" level="-12" length="2.6"/>
    </holding-tone>
    <offering-tone>
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="0.15"/>
      <step length="1.45"/>
    </offering-tone>
    <preemption-tone>
      <step cycles="3">
        <step freq="1400" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
    </preemption-tone>
    <permanent-signal-tone>
      <step freq="1400" level="-12"/>
    </permanent-signal-tone>
  </tone-set>
  <tone-set country="Iraq" uncode="iq">
    <dial-tone type="recall">
      <step freq="133" level="-12" length="0.4"/>
      <step length="0.2"/>
      <step freq="133" level="-12" length="0.4"/>
      <step length="1.5"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="1.0"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Ireland" uncode="ie">
    <dial-tone>
      <step freq="400+425+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 450 || 400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400 || 450 || 400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400 || 425" level="-12" length="6.0"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.06"/>
      <step length="0.06"/>
    </route-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Israel" uncode="il">
    <dial-tone>
      <step freq="400 || 425 || 440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step cycles="3">
        <step freq="400 || 440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="400 || 440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="400 || 440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="400 || 440" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="400" level="-12" length="1.0"/>
      <step length="0.25"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 425 || 440" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400 || 425 || 440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="975" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
      <step recorded-announcement="true"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="975" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="400 || 440" level="-12" length="0.15"/>
        <step length="10.0"/>
        <step freq="400 || 440" level="-12" length="0.15"/>
      </step>
    </waiting-tone>
    <call-waiting-tone>
      <step cycles="2">
        <step freq="400 || 440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="400 || 440" level="-12" length="0.6"/>
      <step length="3.0"/>
    </call-waiting-tone>
    <confirmation-tone>
      <step cycles="1">
        <step freq="400 || 440" level="-12" length="0.15"/>
        <step length="0.15"/>
        <step freq="400 || 440" level="-12" length="0.3"/>
      </step>
    </confirmation-tone>
    <confirmation-tone>
      <step freq="400" level="-12" length="0.04"/>
      <step length="0.04"/>
    </confirmation-tone>
    <payphone-recognition-tone>
      <step freq="1209" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="452" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <search-tone>
      <step freq="1004" level="-12" length="0.01"/>
      <step length="1.0"/>
    </search-tone>
    <holding-tone>
      <step freq="400" level="-12" length="0.05"/>
      <step length="2.0"/>
    </holding-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Italy" uncode="it">
    <dial-tone>
      <step freq="425" level="-12" length="0.6"/>
      <step length="1.0"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Ivory Coast" uncode="ci">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="50 || 375+475" level="-12" length="1.66"/>
        <step length="3.33"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Jamaica" uncode="jm">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.5"/>
        <step length="4.5"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 133" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400 || 133" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.3"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.2"/>
        <step length="0.3"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="3.0"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <record-tone>
      <step freq="480+620" level="-12" length="0.25"/>
      <step length="0.25"/>
    </record-tone>
  </tone-set>
  <tone-set country="Japan" uncode="jp">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </dial-tone>
    <dial-tone type="second">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.125"/>
        <step length="0.125"/>
      </step>
    </dial-tone>
    <dial-tone type="second">
      <step cycles="endless">
        <step freq="440" level="-12" length="0.125"/>
        <step length="0.125"/>
      </step>
    </dial-tone>
    <dial-tone type="second">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.15"/>
        <step length="0.15"/>
      </step>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="384+416" level="-12" length="1.0"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="PABX">
      <step cycles="endless">
        <step freq="380+420" level="-12" length="1.0"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="400" level="-12" length="0.1"/>
      <step length="0.1"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="440" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="440" level="-12" length="0.1"/>
      <step length="1.0"/>
    </waiting-tone>
    <waiting-tone>
      <step freq="384+416" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="400" level="-12" length="0.5"/>
      <step length="2.5"/>
    </waiting-tone>
    <call-waiting-tone>
      <step freq="384+416" level="-12" length="0.5"/>
      <step length="0.0~4.0"/>
      <step freq="400" level="-12" length="0.05"/>
      <step length="0.45"/>
      <step freq="400" level="-12" length="0.05"/>
      <step length="3.45"/>
      <step freq="400" level="-12" length="0.05"/>
      <step length="0.45"/>
      <step freq="400" level="-12" length="0.05"/>
      <step length="3.45"/>
    </call-waiting-tone>
    <pay-tone>
      <step freq="250" level="-12" length="1.0"/>
    </pay-tone>
    <pay-tone>
      <step freq="250" level="-12" length="0.5"/>
    </pay-tone>
    <positive-indication-tone>
      <step freq="400" level="-12" length="0.125"/>
      <step length="0.125"/>
      <step freq="400" level="-12" length="0.125"/>
      <step length="0.625"/>
    </positive-indication-tone>
  </tone-set>
  <tone-set country="Jordan" uncode="jo">
    <dial-tone>
      <step freq="380+460 || 400+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="380+460 || 400+440" level="-12" length="1.2"/>
        <step length="4.8"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="380+460 || 400+440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="380+460" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400+440" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+720 || 540+660" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="380+460 || 400+440" level="-12" length="0.5"/>
      <step cycles="2">
        <step length="0.3"/>
        <step freq="380+460 || 400+440" level="-12" length="0.2"/>
      </step>
      <step length="3.0"/>
    </waiting-tone>
    <confirmation-tone>
      <step cycles="20">
        <step freq="400" level="-12" length="0.125"/>
        <step length="0.125"/>
      </step>
      <step freq="400" level="-12"/>
    </confirmation-tone>
    <holding-tone>
      <step freq="380+460 || 400+440" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="380+460 || 400+440" level="-12" length="0.5"/>
      <step length="0.25"/>
    </holding-tone>
  </tone-set>
  <tone-set country="Kenya" uncode="ke">
    <dial-tone>
      <step freq="425 || 50" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12" length="1.0"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.75"/>
      <step length="0.75"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
        <step freq="425" level="-12" length="1.0"/>
        <step length="2.0"/>
        <step freq="425" level="-12" length="1.0"/>
        <step length="5.0"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="425" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="1.4"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
        <step length="1.0"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Kiribati Republic" uncode="kg">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.4"/>
      <step length="2.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Korea (Rep. of)" uncode="kr">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="400 || 450" level="-12" length="1.0"/>
      <step length="4.0"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="400 || 450" level="-12" length="1.0"/>
      <step length="2.0"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="1.0"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.3"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step cycles="2">
        <step freq="392" level="-12" length="0.5"/>
        <step freq="494" level="-12" length="0.5"/>
        <step freq="587" level="-12" length="1.5"/>
      </step>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.2"/>
        <step length="0.1"/>
        <step freq="450" level="-12" length="0.2"/>
        <step length="1.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="350+440" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="350+440" level="-12" length="0.25"/>
      <step length="3.25"/>
    </waiting-tone>
    <intercept-tone>
      <step freq="350+440" level="-12" length="0.125"/>
      <step length="0.25"/>
      <step freq="350+440" level="-12" length="0.125"/>
      <step length="1.5"/>
    </intercept-tone>
  </tone-set>
  <tone-set country="Kuwait" uncode="kw">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="1.0"/>
      <step length="1.5"/>
      <step freq="425" level="-12" length="0.4"/>
      <step length="1.5"/>
    </warning-tone>
    <intrusion-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </intrusion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <intercept-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </intercept-tone>
    <line-lockout-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.5"/>
    </line-lockout-tone>
    <refusal-tone>
      <step freq="425" level="-12" length="0.6"/>
      <step length="0.6"/>
    </refusal-tone>
    <acceptance-tone>
      <step freq="425" level="-12"/>
    </acceptance-tone>
  </tone-set>
  <tone-set country="Kyrgyzstan" uncode="kg">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Lao P.D.R." uncode="la">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="1.0"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.4"/>
    </waiting-tone>
    <confirmation-tone>
      <step freq="950" level="-12"/>
    </confirmation-tone>
  </tone-set>
  <tone-set country="Lebanon" uncode="lb">
    <ringing-tone>
      <step cycles="endless">
        <step freq="435" level="-12" length="1.2"/>
        <step length="4.4"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="435" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Liberia" uncode="lr">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.6"/>
        <step length="0.2"/>
        <step cycles="3">
          <step freq="425" level="-12" length="0.2"/>
          <step length="0.2"/>
        </step>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Lithuania" uncode="lt">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <waiting-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Luxembourg" uncode="lu">
    <dial-tone>
      <step freq="425 || 450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425 || 450" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step length="0.25"/>
      <step length="1.25"/>
    </warning-tone>
    <intercept-tone>
      <step freq="1190" level="-12" length="0.25"/>
      <step freq="1280" level="-12" length="0.25"/>
    </intercept-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Macau" uncode="mo">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="1.8"/>
      <step length="0.2"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
    </waiting-tone>
    <intercept-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </intercept-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Madagascar" uncode="mg">
    <ringing-tone>
      <step cycles="endless">
        <step freq="25" level="-12" length="1.66"/>
        <step length="3.33"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <waiting-tone>
      <step freq="450" level="-12" length="0.125"/>
      <step length="0.125"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Malawi" uncode="mw">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 133" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400 || 133" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="525" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Malaysia" uncode="my">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="2.0"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="900" level="-12" length="1.0"/>
      <step freq="1400" level="-12" length="1.0"/>
      <step freq="1800" level="-12" length="1.0"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </warning-tone>
    <warning-tone type="end-of-period">
      <step freq="900" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="900" level="-12" length="0.1"/>
      <step length="0.1"/>
      <step freq="900" level="-12" length="0.1"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="1.0"/>
      <step length="10.0"/>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="0.5"/>
      <step length="10.0"/>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.25"/>
    </waiting-tone>
    <line-lockout-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.5"/>
    </line-lockout-tone>
  </tone-set>
  <tone-set country="Maldives" uncode="mv">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="1.0"/>
      <step length="10.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Mali" uncode="ml">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.40"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="900" level="-12" length="0.33"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.04"/>
    </route-tone>
    <acceptance-tone>
      <step freq="950" level="-12"/>
    </acceptance-tone>
  </tone-set>
  <tone-set country="Malta" uncode="mt">
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450 || 375+425 || 383.33+416.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450 || 375+425 || 383.33+416.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <pay-tone>
      <step freq="400" level="-12" length="0.15"/>
      <step length="0.15"/>
    </pay-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Martinique (French Dep.)" uncode="mq">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Mauritania" uncode="mr">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Mauritius" uncode="mu">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Mayotte" uncode="yt">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Mexico" uncode="mx">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.17"/>
      <step freq="425" level="-12" length="0.17"/>
      <step length="0.17"/>
    </warning-tone>
  </tone-set>
  <tone-set country="Moldova" uncode="md">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </congestion-tone>
  </tone-set>
  <tone-set country="Montserrat" uncode="ms">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="440" level="-12" length="0.5"/>
        <step length="10.0"/>
        <step freq="440" level="-12" length="0.5"/>
      </step>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Morocco" uncode="ma">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="660" level="-12" length="0.5"/>
      <step freq="440" level="-12" length="0.5"/>
      <step freq="590" level="-12" length="0.5"/>
      <step freq="740" level="-12" length="0.3"/>
      <step length="0.2"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.66"/>
        <step length="3.33"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Mozambique" uncode="mz">
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Namibia" uncode="na">
    <dial-tone>
      <step freq="407+473" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="407+473" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="407+473" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <payphone-recognition-tone>
      <step freq="770" level="-12" length="0.125"/>
      <step freq="1209" level="-12" length="1.5"/>
    </payphone-recognition-tone>
    <pay-tone>
      <step freq="400" level="-12" length="0.125"/>
      <step length="0.125"/>
    </pay-tone>
  </tone-set>
  <tone-set country="Nauru" uncode="nr">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="33" level="-12"/>
    </dial-tone>
    <dial-tone type="recall" domain="PABX">
      <step freq="33" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="PABX">
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone domain="PABX">
      <step cycles="endless">
        <step freq="425" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone domain="PABX">
      <step cycles="endless">
        <step freq="425" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.25"/>
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Nepal" uncode="np">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.1"/>
        <step length="3.1"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.175"/>
        <step length="0.175"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Netherlands" uncode="nl">
    <dial-tone>
      <step freq="425 || 450" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425 || 450" level="-12" length="0.5"/>
      <step length="0.05"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425 || 450" level="-12" length="0.5"/>
      <step length="9.5"/>
    </waiting-tone>
    <pay-tone>
      <step freq="770 || 850 || 950" level="-12"/>
    </pay-tone>
    <positive-indication-tone>
      <step freq="425 || 450" level="-12"/>
    </positive-indication-tone>
    <negative-indication-tone>
      <step freq="425 || 450" level="-12" length="0.0625"/>
      <step length="0.0625"/>
    </negative-indication-tone>
    <!-- Billing signal: 50Hz/~50Vrms, longitudinal/~160ms -->
  </tone-set>
  <tone-set country="New Caledonia" uncode="nc">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="New Zealand" uncode="nz">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="900" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step cycles="3">
          <step freq="400" level="-12" length="0.75"/>
          <step length="0.1"/>
        </step>
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.4"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400+450" level="-12" length="0.5"/>
    </waiting-tone>
    <waiting-tone>
      <step freq="400" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="400" level="-12" length="0.25"/>
      <step length="3.25"/>
    </waiting-tone>
    <waiting-tone>
      <step cycles="3">
        <step freq="523" level="-12" length="0.2"/>
        <step length="3.0"/>
      </step>
      <step freq="659" level="-12" length="0.2"/>
    </waiting-tone>
    <function-acknowledge-tone>
      <step freq="440+450" level="-12" length="2.0"/>
      <step length="0.4"/>
      <step freq="440+450" level="-12" length="0.2"/>
      <step length="0.4"/>
    </function-acknowledge-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <holding-tone>
      <step freq="400" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="400+450" level="-12" length="0.5"/>
      <step length="0.25"/>
    </holding-tone>
  </tone-set>
  <tone-set country="Niger" uncode="ne">
    <dial-tone>
      <step freq="440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330 || 440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Nigeria" uncode="ng">
    <dial-tone>
      <step freq="400 || 425 || 450" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="400 || 425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 425 || 450" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="400 || 33" level="-12" length="0.2"/>
      <step length="1.5"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="400" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="400" level="-12" length="0.15"/>
      <step length="1.45"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="5.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="2.0"/>
      <step length="4.0"/>
    </waiting-tone>
    <holding-tone>
      <step freq="950" level="-12" length="0.65"/>
      <step length="0.325"/>
      <step freq="950" level="-12" length="0.325"/>
      <step length="1.3"/>
      <step freq="1400" level="-12" length="2.6"/>
    </holding-tone>
  </tone-set>
  <tone-set country="Norway" uncode="no">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400 || 450" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400 || 450" level="-12" length="0.2"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <payphone-recognition-tone>
      <step cycles="4">
        <step freq="1477" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="941" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Oman" uncode="om">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.17"/>
      <step freq="425" level="-12" length="0.17"/>
      <step length="0.17"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.3"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="1.0"/>
    </waiting-tone>
    <line-lockout-tone>
      <step freq="425" level="-12" length="0.48"/>
      <step length="0.48"/>
    </line-lockout-tone>
  </tone-set>
  <tone-set country="Pakistan" uncode="pk">
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="383.33+416.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.4"/>
        <step length="0.675"/>
        <step freq="450" level="-12" length="0.13"/>
        <step length="0.17"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Panama" uncode="pa">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.20"/>
        <step length="4.65"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.32"/>
        <step length="4.65"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.32"/>
        <step length="4.65"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.18"/>
      <step length="0.18"/>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.18"/>
    </warning-tone>
    <number-unobtainable-tone domain="digital">
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Papua New Guinea" uncode="pg">
    <dial-tone>
      <step freq="425 || 375+425 || 350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 375+425 || 383.33+416.67 || 400+450 || 390+430" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="425 || 375+425 || 383.33+416.67 || 400+450 || 390+430" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425 || 400" level="-12" length="0.375"/>
        <step length="0.375"/>
        <step freq="425 || 400" level="-22" length="0.375"/>
        <step length="0.375"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="1400" level="-12" length="0.5"/>
      <step length="11.5"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425 || 400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.04"/>
      <step length="10.0"/>
      <step freq="425" level="-12" length="0.04"/>
      <step length="20.0"/>
      <step freq="425" level="-12" length="0.04"/>
      <step length="20.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step cycles="4">
        <step freq="1209" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="852" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step cycles="2">
        <step freq="1336" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="941" level="-12" length="0.2"/>
        <step length="2.0"/>
      </step>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step cycles="2">
        <step freq="900" level="-12" length="0.075"/>
        <step length="0.15"/>
        <step freq="900" level="-12" length="0.075"/>
        <step length="2.7"/>
      </step>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Paraguay" uncode="py">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="1.0"/>
      </step>
    </busy-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="0.15"/>
      <step length="1.45"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.0"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="950" level="-12" length="0.65"/>
      <step length="0.325"/>
      <step freq="950" level="-12" length="0.125"/>
      <step length="1.3"/>
      <step freq="1400" level="-12" length="2.6"/>
    </waiting-tone>
    <positive-indication-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </positive-indication-tone>
  </tone-set>
  <tone-set country="Philippines" uncode="ph">
    <dial-tone>
      <step freq="480+720 || 425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="400" level="-12" length="0.2"/>
      <step length="0.2"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="400+425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="1.0"/>
        <step length="10.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425+480" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+720 || 425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+720 || 480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+720" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Poland" uncode="pl">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="350+425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.15"/>
      <step freq="425" level="-12" length="0.15"/>
      <step length="4.0"/>
    </waiting-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Portugal" uncode="pt">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone domain="analogue">
      <step freq="400" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="1.0"/>
      <step length="0.2"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="analogue">
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone domain="analogue">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone domain="analogue">
      <step cycles="endless">
        <step freq="400" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="5.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1477" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="941" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Puerto Rico" uncode="pr">
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Qatar" uncode="qa">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.2"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400 || 450" level="-12" length="0.8"/>
        <step length="0.8"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Reunion (French Dep.)" uncode="re">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Romania" uncode="ro">
    <dial-tone>
      <step freq="400 || 450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="384+416 || 425+475" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="133 || 450" level="-12" length="0.15"/>
        <step length="0.20"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step cycles="6">
          <step freq="400 || 450" level="-12" length="0.033"/>
          <step length="0.03"/>
        </step>
        <step length="0.1"/>
        <step freq="400 || 450" level="-12" length="0.03"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Russia" uncode="ru">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
      <step length="1.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Rwandese Republic" uncode="rw">
    <dial-tone>
      <step freq="440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="340" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step cycles="1">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="St. Helena" uncode="sh">
    <dial-tone>
      <step freq="350+400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <pay-tone>
      <step freq="400" level="-12" length="0.125"/>
      <step length="0.125"/>
    </pay-tone>
  </tone-set>
  <tone-set country="St. Kitts and Nevis" uncode="kn">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="1">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="440" level="-12" length="0.5"/>
      <step length="10.0"/>
      <step freq="440" level="-12" length="0.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="St. Lucia" uncode="lc">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.375"/>
        <step length="0.25"/>
        <step freq="425" level="-12" length="0.375"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="425+330" level="-12"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.1"/>
      <step length="4.9"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </waiting-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="St. Pierre and Miquelon" uncode="pm">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="St. Vincent and the Grenadines" uncode="vc">
    <dial-tone>
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.2"/>
        <step length="0.4"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.255"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
  </tone-set>
  <tone-set country="San Marino" uncode="sm">
    <dial-tone>
      <step freq="425" level="-12" length="0.6"/>
      <step length="1.0"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
  </tone-set>
  <tone-set country="Sao Tome e Principe" uncode="st">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <pay-tone>
      <step freq="12000" level="-12"/>
    </pay-tone>
  </tone-set>
  <tone-set country="Saudi Arabia" uncode="sa">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="4.6"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <intrusion-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
    </intrusion-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="4.0"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1200" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <refusal-tone>
      <step freq="425" level="-12" length="0.6"/>
      <step length="0.6"/>
    </refusal-tone>
    <acceptance-tone>
      <step freq="425" level="-12"/>
    </acceptance-tone>
  </tone-set>
  <tone-set country="Senegal" uncode="sn">
    <dial-tone>
      <step freq="440" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.7"/>
        <step length="3.3"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Seychelles" uncode="sc">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="425" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Sierra Leone" uncode="sl">
    <dial-tone>
      <step freq="425 || 450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425 || 450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950 || 450" level="-12" length="0.333"/>
        <step length="0.03"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1" freq="425" level="-12" length="1.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Singapore" uncode="sg">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="401+449" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="401+449" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.125"/>
      <step length="0.125"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.3"/>
      <step length="3.2"/>
    </waiting-tone>
    <intercept-tone>
      <step freq="425" level="-12" length="0.25"/>
      <step length="2.0"/>
    </intercept-tone>
    <payphone-recognition-tone>
      <step freq="1206" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="832" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Slovakia" uncode="sk">
    <dial-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="0.333"/>
      <step freq="425" level="-12" length="0.66"/>
      <step length="0.66"/>
    </dial-tone>
    <dial-tone domain="centrex">
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step cycles="3">
        <step freq="425" level="-12" length="0.165"/>
        <step length="0.165"/>
      </step>
      <step freq="425" level="-12" length="0.660"/>
      <step length="0.660"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.165"/>
        <step length="0.165"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="9.0"/>
    </waiting-tone>
    <call-waiting-tone>
      <step freq="425" level="-12" length="1.0"/>
      <step length="0.17"/>
      <step freq="425" level="-12" length="0.333"/>
      <step length="3.5"/>
    </call-waiting-tone>
    <connection-tone>
      <step freq="1400" level="-12" length="0.05"/>
      <step length="0.05"/>
    </connection-tone>
    <offering-tone>
      <step freq="425" level="-12" length="0.333"/>
      <step length="0.333"/>
      <step freq="425" level="-12" length="0.333"/>
      <step length="1.5"/>
    </offering-tone>
    <warning-tone type="conference">
      <step freq="425" level="-12" length="0.66"/>
    </warning-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Slovenia" uncode="si">
    <dial-tone>
      <step freq="425" level="-12" length="0.7"/>
      <step length="0.8"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.3"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1600" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
  </tone-set>
  <tone-set country="Solomon Islands" uncode="sb">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.075"/>
        <step length="0.1"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="400+450" level="-12" length="0.5"/>
      <step freq="400" level="-12" length="0.5"/>
    </waiting-tone>
    <pay-tone>
      <step freq="852" level="-12" length="0.2"/>
      <step length="2.0"/>
    </pay-tone>
  </tone-set>
  <tone-set country="South Africa" uncode="za">
    <dial-tone>
      <step freq="367+433" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step cycles="4">
        <step freq="367+433" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
      <step freq="367+433" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="367+433" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="367+433" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="400" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="400" level="-12" length="0.15"/>
      <step length="1.45"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="3">
        <step freq="367+433" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
      <step freq="367+433" level="-12" length="0.25"/>
      <step length="7.25"/>
    </waiting-tone>
    <pay-tone>
      <step freq="900" level="-12" length="0.2"/>
      <step length="1.8"/>
    </pay-tone>
    <payphone-recognition-tone>
      <step freq="770" level="-12" length="0.125"/>
      <step freq="1209" level="-12" length="1.5"/>
    </payphone-recognition-tone>
    <positive-indication-tone>
      <step freq="700" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="1100" level="-12" length="0.25"/>
      <step length="0.25"/>
    </positive-indication-tone>
    <comfort-tone>
      <step freq="950" level="-12" length="0.65"/>
      <step length="0.325"/>
      <step freq="950" level="-12" length="0.325"/>
      <step length="1.3"/>
      <step freq="1400" level="-12" length="2.6"/>
    </comfort-tone>
    <notify-tone>
      <step cycles="3">
        <step freq="900" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </notify-tone>
  </tone-set>
  <tone-set country="Spain" uncode="es">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="600" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="1.0"/>
      <step length="0.1"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.5"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step cycles="2">
          <step freq="425" level="-12" length="0.2"/>
          <step length="0.2"/>
        </step>
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.6"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="1400" level="-12" length="0.4"/>
      <step length="5.0"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.6"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.6"/>
    </waiting-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.175"/>
      <step length="0.175"/>
      <step freq="425" level="-12" length="0.175"/>
      <step length="3.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="1.28"/>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="0.05"/>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="1.55"/>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="0.05"/>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="0.05"/>
      <step freq="1600" level="-12" length="0.05"/>
      <step length="1.5"/>
    </payphone-recognition-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Sri Lanka" uncode="lk">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12" length="0.65"/>
      <step length="0.03"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="4.5"/>
    </waiting-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Suriname" uncode="sr">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="15.0"/>
        <step length="0.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
  </tone-set>
  <tone-set country="Swaziland" uncode="sz">
    <dial-tone>
      <step freq="50" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400" level="-12" length="0.4"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="4.8"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <payphone-recognition-tone>
      <step freq="1430" level="-12" length="2.0"/>
      <step length="2.0"/>
      <step freq="943" level="-12" length="2.0"/>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <pay-tone>
      <step freq="900" level="-12" length="0.25"/>
      <step length="0.25"/>
    </pay-tone>
  </tone-set>
  <tone-set country="Sweden" uncode="se">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step cycles="endless">
        <step freq="425" level="-12" length="0.32"/>
        <step length="0.01"/>
      </step>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="5.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="analogue">
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="9.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.75"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
      <step recorded-announcement="true"/>
    </special-information-tone>
    <special-information-tone domain="analogue">
      <step cycles="3">
        <step freq="400" level="-12" length="0.05"/>
        <step length="0.2"/>
      </step>
      <step freq="400" level="-12" length="0.6"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step cycles="endless">
        <step freq="1400" level="-12" length="0.1"/>
        <step length="1.5"/>
      </step>
    </warning-tone>
    <warning-tone type="three-party-conference">
      <step cycles="endless">
        <step freq="1400" level="-12" length="0.35"/>
        <step length="15.0"/>
      </step>
    </warning-tone>
    <warning-tone type="time-limit">
      <step freq="425" level="-12" length="2.0"/>
      <step length="5.0"/>
      <step freq="425" level="-12"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
      <step recorded-announcement="true"/>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.5"/>
      <step freq="425" level="-12" length="0.2"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step cycles="7">
        <step freq="1633" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="1336" level="-12" length="0.2"/>
        <step length="4.0"/>
      </step>
    </payphone-recognition-tone>
    <pay-tone>
      <step cycles="2">
        <step freq="941" level="-12" length="0.2"/>
        <step length="0.2"/>
        <step freq="941" level="-12" length="0.2"/>
        <step length="3.6"/>
      </step>
    </pay-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Switzerland" uncode="ch">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="500" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 500" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <busy-tone domain="PABX">
      <step cycles="endless">
        <step freq="500" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <record-tone>
      <step freq="1400" level="-12" length="0.45"/>
      <step length="15.0"/>
    </record-tone>
    <payphone-recognition-tone>
      <step freq="800" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1200" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Syria" uncode="sy">
    <dial-tone>
      <step freq="450" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step freq="450" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425 || 475" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="450 || 50" level="-12" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.44"/>
        <step length="0.49"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step cycles="2">
          <step freq="450" level="-12" length="0.2"/>
          <step length="0.23"/>
        </step>
        <step freq="450" level="-12" length="0.2"/>
        <step length="0.92"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="1.0"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.9"/>
        <step length="0.2"/>
        <step cycles="2">
          <step freq="450" level="-12" length="0.25"/>
          <step length="0.2"/>
        </step>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Tajikistan" uncode="tj">
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="3.2"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <waiting-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </waiting-tone>
  </tone-set>
  <tone-set country="Tanzania" uncode="tz">
    <dial-tone>
      <step freq="50" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step freq="400" level="-12"/>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Thailand" uncode="th">
    <dial-tone>
      <step freq="350+450 || 400" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.333"/>
        <step length="0.333"/>
      </step>
    </busy-tone>
    <warning-tone type="operator-intervening">
      <step freq="800" level="-12" length="1.0"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step cycles="6">
          <step freq="400" level="-12" length="0.1"/>
          <step length="0.9"/>
        </step>
        <step freq="400" level="-12" length="0.3"/>
        <step length="0.7"/>
      </step>
    </number-unobtainable-tone>
    <offering-tone>
      <step cycles="2">
        <step freq="400" level="-12" length="0.17"/>
        <step length="0.83"/>
      </step>
      <step freq="400" level="-12" length="0.51"/>
      <step length="0.49"/>
    </offering-tone>
  </tone-set>
  <tone-set country="Trinidad and Tobago" uncode="tt">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <waiting-tone>
      <step freq="440" level="-12" length="0.3"/>
      <step length="10.0"/>
    </waiting-tone>
    <reorder-tone>
      <step freq="480+620" level="-12" length="0.3"/>
      <step length="0.2"/>
    </reorder-tone>
    <reorder-tone>
      <step freq="480+620" level="-12" length="0.2"/>
      <step length="0.3"/>
    </reorder-tone>
  </tone-set>
  <tone-set country="Tunisia" uncode="tn">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.2"/>
        <step length="4.6"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="950" level="-12"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.167"/>
        <step length="0.167"/>
      </step>
    </congestion-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Turkey" uncode="tr">
    <dial-tone>
      <step freq="450" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="350+450" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="450" level="-12" length="1.0"/>
      <step length="0.25"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step cycles="3">
          <step freq="450" level="-12" length="0.2"/>
          <step length="0.2"/>
        </step>
        <step freq="450" level="-12" length="0.6"/>
        <step length="0.2"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.6"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="450" level="-12" length="0.2"/>
        <step length="0.2"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="350+450 || 450" level="-12" length="0.5"/>
      <step length="0.5"/>
      <step freq="350+450 || 450" level="-12" length="2.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1000" level="-12" length="0.25"/>
      <step length="0.25"/>
      <step freq="1200 || 1330" level="-12" length="0.25"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <confirmation-tone>
      <step freq="450" level="-12" length="0.04"/>
      <step length="0.04"/>
    </confirmation-tone>
    <!-- Billing signal: 12kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Turkmenistan" uncode="tm">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="25" level="-12" length="0.4"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.4"/>
        <step length="0.4"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.8"/>
        <step length="4.0"/>
      </step>
    </number-unobtainable-tone>
    <route-tone>
      <step freq="25" level="-12" length="0.4"/>
      <step length="0.4"/>
    </route-tone>
  </tone-set>
  <tone-set country="Turks and Caicos Islands" uncode="tc">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-12" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480" level="-12" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="450" level="-12" length="0.65"/>
      <step length="0.2"/>
    </warning-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="480+620" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step cycles="1">
        <step freq="440" level="-12" length="0.5"/>
        <step length="10.0"/>
        <step length="0.5"/>
      </step>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1600" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="1143" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Uganda" uncode="ug">
    <dial-tone>
      <step freq="33 || 50" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="133+17 || 400+17 || 400+450" level="-12" length="0.25"/>
        <step length="0.5"/>
        <step freq="133+17 || 400+17 || 400+450" level="-12" length="0.25"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="United Arab Emirates" uncode="ae">
    <dial-tone>
      <step freq="350+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450 || 425" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450 || 425" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400 || 425" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400 || 425" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400 || 425" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400 || 425" level="-12"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="United Kingdom" uncode="uk">
    <dial-tone>
      <step freq="350+440 || 50" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450 || 375+425 || 383.33+416.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450 || 375+425 || 383.33+416.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.4"/>
        <step length="0.35"/>
        <step freq="400" level="-12" length="0.225"/>
        <step length="0.525"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step freq="400" level="-12"/>
    </number-unobtainable-tone>
    <payphone-recognition-tone>
      <step freq="1200" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="800" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
    <pay-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.125"/>
        <step length="0.125"/>
      </step>
    </pay-tone>
    <!-- Billing signal: 50Hz/~50Vrms, longitudinal/~160ms -->
  </tone-set>
  <tone-set country="United States" uncode="us">
    <dial-tone>
      <step freq="350+440 || 480+720" level="-13 [1.5dB]"/>
    </dial-tone>
    <dial-tone domain="PABX">
      <step freq="350+440 || 480+720" level="-16 [0.75dB]"/>
    </dial-tone>
    <dial-tone type="recall">
      <step cycles="3">
        <step freq="350+440" level="-13 [1.5dB]" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-13 [1.5dB]"/>
    </dial-tone>
    <dial-tone domain="PABX" type="recall">
      <step cycles="3">
        <step freq="350+440" level="-16 [0.75dB]" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-16 [0.75dB]"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440+480 || 380+460" level="-19 [1.5dB]" length="2.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone domain="PABX">
      <step cycles="endless">
        <step freq="440+480" level="-16 [1.5dB]" length="1.0"/>
        <step length="3.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="480+620 || 480+720" level="-24 [1.5dB]" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone domain="PABX">
      <step cycles="endless">
        <step freq="480+620 || 480+720" level="-21 [1.5dB]" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="480+620 || 480+720" level="-24 [1.5dB]" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <congestion-tone domain="PABX">
      <step cycles="endless">
        <step freq="480+620 || 480+720" level="-21 [1.5dB]" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <call-waiting-tone>
      <step cycles="endless">
        <step freq="480+620" level="-13 [1.5dB]" length="0.3"/>
        <step length="10.0"/>
      </step>
    </call-waiting-tone>
    <call-waiting-tone domain="PABX" type="station-call">
      <step freq="480+620" level="-16 [1.5dB]" length="0.3"/>
    </call-waiting-tone>
    <call-waiting-tone domain="PABX" type="outside-call">
      <step cycles="2">
        <step freq="480+620" level="-16 [1.5dB]" length="0.1"/>
        <step length="0.1"/>
      </step>
    </call-waiting-tone>
    <call-waiting-tone domain="PABX" type="urgent-call">
      <step cycles="3">
        <step freq="480+620" level="-16 [1.5dB]" length="0.1"/>
        <step length="0.1"/>
      </step>
    </call-waiting-tone>
    <special-information-tone>
      <step freq="950" level="-13 [1.5dB]" length="0.33"/>
      <step freq="1400" level="-13 [1.5dB]" length="0.33"/>
      <step freq="1800" level="-13 [1.5dB]" length="0.33"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="440" level="-13 [1.5dB]" length="2.0"/>
      <step length="10.0"/>
      <step freq="440" level="-13 [1.5dB]" length="0.5"/>
      <step length="10.0"/>
    </warning-tone>
    <warning-tone type="operator-intervening" domain="PABX">
      <step freq="440" level="-13 [1.5dB]" length="1.5"/>
      <step length="8.0"/>
      <step freq="440" level="-13 [1.5dB]" length="0.5"/>
      <step length="8.0"/>
    </warning-tone>
    <waiting-tone domain="PABX">
      <step freq="440" level="-13 [1.5dB]" length="0.3"/>
      <step length="10.0"/>
    </waiting-tone>
    <record-tone>
      <step freq="1400" level="-13 [1.5dB]" length="0.5"/>
      <step length="15.0"/>
    </record-tone>
    <executive-override-tone domain="PABX">
      <step freq="440" level="-14 [1.5dB]" length="3.0"/>
    </executive-override-tone>
    <intercept-tone domain="PABX">
      <step freq="440" level="-13 [1.5dB]" length="0.25"/>
      <step freq="620" level="-13 [1.5dB]" length="0.25"/>
    </intercept-tone>
    <confirmation-tone>
      <step freq="350+440" level="-13 [1.5dB]" length="0.1"/>
      <step length="0.1"/>
      <step freq="350+440" level="-13 [1.5dB]" length="0.3"/>
    </confirmation-tone>
    <confirmation-tone domain="PABX">
      <step cycles="2">
        <step freq="350+440" level="-16 [1.5dB]" length="0.1"/>
        <step length="0.1"/>
      </step>
      <step freq="350+440" level="-16 [1.5dB]" length="0.1"/>
    </confirmation-tone>
  </tone-set>
  <tone-set country="Uruguay" uncode="uy">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone>
      <step freq="450" level="-12" length="0.7"/>
      <step length="0.8"/>
      <step freq="450" level="-12" length="0.2"/>
      <step length="0.3"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <warning-tone type="operator-intervening">
      <step freq="425" level="-12" length="0.15"/>
      <step length="0.25"/>
      <step freq="425" level="-12" length="0.15"/>
      <step length="1.45"/>
    </warning-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="425" level="-12" length="0.2"/>
      <step length="4.4"/>
    </waiting-tone>
    <positive-indication-tone>
      <step cycles="2">
        <step freq="425" level="-12" length="0.1"/>
        <step length="0.2"/>
      </step>
      <step freq="425" level="-12" length="0.1"/>
      <step length="1.3"/>
    </positive-indication-tone>
    <negative-indication-tone>
      <step freq="425" level="-12" length="0.5"/>
      <step length="0.5"/>
    </negative-indication-tone>
  </tone-set>
  <tone-set country="Vanuatu" uncode="vu">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <dial-tone type="special">
      <step freq="425" level="-12" length="0.4"/>
      <step length="0.04"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450 || 116.33+149.67" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450 || 116.33+149.67" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.75"/>
        <step length="0.75"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.33"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.33"/>
      <step length="0.03"/>
    </special-information-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="425" level="-12" length="0.3"/>
      <step length="10.0"/>
    </waiting-tone>
    <route-tone>
      <step freq="425" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
    <acceptance-tone>
      <step freq="950" level="-12"/>
    </acceptance-tone>
  </tone-set>
  <tone-set country="Wallis and Futuna Islands" uncode="wf">
    <dial-tone>
      <step freq="440 || 330+440" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="1.5"/>
        <step length="3.5"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="440" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1400" level="-12" length="0.3"/>
      <step length="0.03"/>
      <step freq="1800" level="-12" length="0.3"/>
      <step length="1.0"/>
    </special-information-tone>
    <route-tone>
      <step freq="440" level="-12" length="0.05"/>
      <step length="0.05"/>
    </route-tone>
  </tone-set>
  <tone-set country="Western Samoa" uncode="ws">
    <dial-tone>
      <step freq="425" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450" level="-12" length="0.375"/>
        <step length="0.25"/>
        <step freq="400+450" level="-12" length="0.375"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <congestion-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </congestion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step recorded-announcement="true"/>
      </step>
    </number-unobtainable-tone>
  </tone-set>
  <tone-set country="Yugoslavia" uncode="yu">
    <dial-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.7"/>
        <step length="0.8"/>
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.3"/>
      </step>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425+475" level="-12" length="1.0"/>
        <step length="9.0"/>
      </step>
    </ringing-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.2"/>
        <step length="0.4"/>
      </step>
    </busy-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <!-- Billing signal: 16kHz/~2Vrms, differential/~125ms -->
  </tone-set>
  <tone-set country="Zambia" uncode="zm">
    <dial-tone>
      <step freq="425 || 50" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="1.0"/>
        <step length="4.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.5"/>
        <step length="0.5"/>
      </step>
    </busy-tone>
    <congestion-tone>
      <step cycles="endless">
        <step freq="425" level="-12" length="0.25"/>
        <step length="0.25"/>
      </step>
    </congestion-tone>
    <special-information-tone>
      <step freq="950" level="-12" length="0.333"/>
      <step freq="1400" level="-12" length="0.333"/>
      <step freq="1800" level="-12" length="0.333"/>
      <step length="1.0"/>
    </special-information-tone>
    <intrusion-tone>
      <step freq="425" level="-12" length="0.1"/>
      <step length="4.9"/>
    </intrusion-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="950" level="-12" length="0.333"/>
        <step freq="1400" level="-12" length="0.333"/>
        <step freq="1800" level="-12" length="0.333"/>
      </step>
    </number-unobtainable-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
  <tone-set country="Zimbabwe" uncode="zw">
    <dial-tone>
      <step freq="400" level="-12"/>
    </dial-tone>
    <dial-tone type="second">
      <step freq="400+450 || 367+433" level="-12"/>
    </dial-tone>
    <ringing-tone>
      <step cycles="endless">
        <step freq="400+450 || 367+433" level="-12" length="0.4"/>
        <step length="0.2"/>
        <step freq="400+450 || 367+433" level="-12" length="0.4"/>
        <step length="2.0"/>
      </step>
    </ringing-tone>
    <busy-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="0.375"/>
        <step length="0.375"/>
      </step>
    </busy-tone>
    <number-unobtainable-tone>
      <step cycles="endless">
        <step freq="400" level="-12" length="2.5"/>
        <step length="0.5"/>
      </step>
    </number-unobtainable-tone>
    <waiting-tone>
      <step freq="523+659" level="-12" length="1.5"/>
      <step length="1.5"/>
    </waiting-tone>
    <payphone-recognition-tone>
      <step freq="1100+1750" level="-12" length="0.2"/>
      <step length="0.2"/>
      <step freq="750+1450" level="-12" length="0.2"/>
      <step length="2.0"/>
    </payphone-recognition-tone>
  </tone-set>
</global-tones>
