initial changes for major tts revamp

2025-12-19 04:17:44 +00:00 · 2020-03-08 09:45:06 +00:00
parent cb3024b872
commit 480817264d
10 changed files with 632 additions and 52 deletions
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -1,4 +1,5 @@
 const Emitter = require('events');
+const fs = require('fs');
 const {CallDirection, TaskPreconditions, CallStatus, TaskName} = require('../utils/constants');
 const moment = require('moment');
 const assert = require('assert');
@@ -40,6 +41,8 @@ class CallSession extends Emitter {
    this.stackIdx = 0;
    this.callGone = false;

+    this.tmpFiles = new Set();
+
    sessionTracker.add(this.callSid, this);
  }

@@ -99,6 +102,12 @@ class CallSession extends Emitter {
  get speechSynthesisVoice() {
    return this.application.speech_synthesis_voice;
  }
+  /**
+   * default language to use for speech synthesis if not provided in the app
+   */
+  get speechSynthesisLanguage() {
+    return this.application.speech_synthesis_language;
+  }

  /**
   * default vendor to use for speech recognition if not provided in the app
@@ -172,6 +181,10 @@ class CallSession extends Emitter {
    sessionTracker.remove(this.callSid);
  }

+  trackTmpFile(path) {
+    this.tmpFiles.add(path);
+  }
+
  normalizeUrl(url, method, auth) {
    const hook = {
      url,
@@ -492,6 +505,17 @@ class CallSession extends Emitter {
        this.logger.error(err, 'CallSession:_clearResources error');
      }
    }
+
+    // remove any temporary tts files that were created (audio is still cached in redis)
+    for (const path of this.tmpFiles) {
+      fs.unlink(path, (err) => {
+        if (err) {
+          return this.logger.error(err, `CallSession:_clearResources Error deleting tmp file ${path}`);
+        }
+        this.logger.debug(`CallSession:_clearResources successfully deleted ${path}`);
+      });
+    }
+    this.tmpFiles.clear();
  }

  /**
--- a/lib/tasks/make_task.js
+++ b/lib/tasks/make_task.js
@@ -25,6 +25,10 @@ function makeTask(logger, obj, parent) {
      const TaskHangup = require('./hangup');
      return new TaskHangup(logger, data, parent);
    case TaskName.Say:
+      if (data.vendor === 'google' && !data.language) {
+        const TaskSayLegacy = require('./say-legacy');
+        return new TaskSayLegacy(logger, data, parent);
+      }
      const TaskSay = require('./say');
      return new TaskSay(logger, data, parent);
    case TaskName.Play:
--- a/lib/tasks/say-legacy.js
+++ b/lib/tasks/say-legacy.js
@@ -0,0 +1,53 @@
+const Task = require('./task');
+const {TaskName, TaskPreconditions} = require('../utils/constants');
+
+class TaskSayLegacy extends Task {
+  constructor(logger, opts, parentTask) {
+    super(logger, opts);
+    this.preconditions = TaskPreconditions.Endpoint;
+
+    this.text = this.data.text;
+    this.loop = this.data.loop || 1;
+    this.earlyMedia = this.data.earlyMedia === true || (parentTask && parentTask.earlyMedia);
+    if (this.data.synthesizer) {
+      this.voice = this.data.synthesizer.voice;
+      switch (this.data.synthesizer.vendor) {
+        case 'google':
+          this.ttsEngine = 'google_tts';
+          break;
+        default:
+          throw new Error(`unsupported tts vendor ${this.data.synthesizer.vendor}`);
+      }
+    }
+  }
+
+  get name() { return TaskName.SayLegacy; }
+
+  async exec(cs, ep) {
+    super.exec(cs);
+    this.ep = ep;
+    try {
+      while (!this.killed && this.loop--) {
+        this.logger.debug(`TaskSayLegacy: remaining loops ${this.loop}`);
+        await ep.speak({
+          ttsEngine: 'google_tts',
+          voice: this.voice || this.callSession.speechSynthesisVoice,
+          text: this.text
+        });
+      }
+    } catch (err) {
+      this.logger.info(err, 'TaskSayLegacy:exec error');
+    }
+    this.emit('playDone');
+  }
+
+  async kill() {
+    super.kill();
+    if (this.ep.connected) {
+      this.logger.debug('TaskSayLegacy:kill - killing audio');
+      await this.ep.api('uuid_break', this.ep.uuid).catch((err) => this.logger.info(err, 'Error killing audio'));
+    }
+  }
+}
+
+module.exports = TaskSayLegacy;
--- a/lib/tasks/say.js
+++ b/lib/tasks/say.js
@@ -9,31 +9,32 @@ class TaskSay extends Task {
    this.text = this.data.text;
    this.loop = this.data.loop || 1;
    this.earlyMedia = this.data.earlyMedia === true || (parentTask && parentTask.earlyMedia);
-    if (this.data.synthesizer) {
-      this.voice = this.data.synthesizer.voice;
-      switch (this.data.synthesizer.vendor) {
-        case 'google':
-          this.ttsEngine = 'google_tts';
-          break;
-        default:
-          throw new Error(`unsupported tts vendor ${this.data.synthesizer.vendor}`);
-      }
-    }
+    this.synthesizer = this.data.synthesizer || {};
  }

  get name() { return TaskName.Say; }

  async exec(cs, ep) {
+    const {srf} = cs;
+    const {synthAudio} = srf.locals.dbHelpers;
    super.exec(cs);
    this.ep = ep;
    try {
+      let filepath;
+      const opts = Object.assign({
+        text: this.text,
+        vendor: cs.speechSynthesisVendor,
+        language: cs.speechSynthesisLanguage,
+        voice: cs.speechSynthesisVoice
+      }, this.synthesizer);
+
      while (!this.killed && this.loop--) {
        this.logger.debug(`TaskSay: remaining loops ${this.loop}`);
-        await ep.speak({
-          ttsEngine: 'google_tts',
-          voice: this.voice || this.callSession.speechSynthesisVoice,
-          text: this.text
-        });
+        if (!filepath) {
+          filepath = await synthAudio(opts);
+          cs.trackTmpFile(filepath);
+        }
+        await ep.play(filepath);
      }
    } catch (err) {
      this.logger.info(err, 'TaskSay:exec error');
--- a/lib/tasks/specs.json
+++ b/lib/tasks/specs.json
@@ -187,12 +187,14 @@
    "properties": {
      "vendor": {
        "type": "string",
-        "enum": ["google"]
+        "enum": ["google", "aws", "polly"]
      },
+      "language": "string",
      "voice": "string"
    },
    "required": [
-      "vendor"
+      "vendor",
+      "language"
    ]
  },
  "recognizer": {
--- a/lib/utils/constants.json
+++ b/lib/utils/constants.json
@@ -12,6 +12,7 @@
    "SipNotify": "sip:notify",
    "SipRedirect": "sip:redirect",
    "Say": "say",
+    "SayLegacy": "say:legacy",
    "Tag": "tag",
    "Transcribe": "transcribe"
  },
--- a/lib/utils/install-srf-locals.js
+++ b/lib/utils/install-srf-locals.js
@@ -105,7 +105,8 @@ function installSrfLocals(srf, logger) {
    updateCallStatus,
    retrieveCall,
    listCalls,
-    deleteCall
+    deleteCall,
+    synthAudio
  } = require('jambonz-realtimedb-helpers')({
    host: process.env.JAMBONES_REDIS_HOST,
    port: process.env.JAMBONES_REDIS_PORT || 6379
@@ -119,7 +120,8 @@ function installSrfLocals(srf, logger) {
      updateCallStatus,
      retrieveCall,
      listCalls,
-      deleteCall
+      deleteCall,
+      synthAudio
    },
    parentLogger: logger,
    ipv4: localIp,
--- a/package-lock.json
+++ b/package-lock.json
@@ -127,6 +127,111 @@
        "to-fast-properties": "^2.0.0"
      }
    },
+    "@google-cloud/text-to-speech": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/text-to-speech/-/text-to-speech-2.2.0.tgz",
+      "integrity": "sha512-RM0CQEHs7HdtS0nYNHrK5a0zgoqS47OxTdQQJ7jdm3+JuEfZyIM2Xw+VOJvZpAClv/Ac64DQwLeA0y4TYZ3sRw==",
+      "requires": {
+        "google-gax": "^1.9.0"
+      }
+    },
+    "@grpc/grpc-js": {
+      "version": "0.6.18",
+      "resolved": "https://registry.npmjs.org/@grpc/grpc-js/-/grpc-js-0.6.18.tgz",
+      "integrity": "sha512-uAzv/tM8qpbf1vpx1xPMfcUMzbfdqJtdCYAqY/LsLeQQlnTb4vApylojr+wlCyr7bZeg3AFfHvtihnNOQQt/nA==",
+      "requires": {
+        "semver": "^6.2.0"
+      }
+    },
+    "@grpc/proto-loader": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.5.3.tgz",
+      "integrity": "sha512-8qvUtGg77G2ZT2HqdqYoM/OY97gQd/0crSG34xNmZ4ZOsv3aQT/FQV9QfZPazTGna6MIoyUd+u6AxsoZjJ/VMQ==",
+      "requires": {
+        "lodash.camelcase": "^4.3.0",
+        "protobufjs": "^6.8.6"
+      }
+    },
+    "@protobufjs/aspromise": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78="
+    },
+    "@protobufjs/base64": {
+      "version": "1.1.2",
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+    },
+    "@protobufjs/codegen": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
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+    "@protobufjs/eventemitter": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
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+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E="
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+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0="
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+    "@types/fs-extra": {
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+      "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.1.tgz",
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+    },
+    "@types/node": {
+      "version": "10.17.17",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.17.tgz",
+      "integrity": "sha512-gpNnRnZP3VWzzj5k3qrpRC6Rk3H/uclhAVo1aIvwzK5p5cOrs9yEyQ8H/HBsBY0u5rrWxXEiVPQ0dEB6pkjE8Q=="
+    },
+    "abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
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@@ -148,6 +253,14 @@
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      "dev": true
    },
+    "agent-base": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.0.tgz",
+      "integrity": "sha512-j1Q7cSCqN+AwrmDd+pzgqc0/NpC655x2bUf5ZjRIO77DcNBFmh+OgRNzF6OKdCC9RSCb19fGd99+bhXFdkRNqw==",
+      "requires": {
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+      }
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    "ajv": {
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      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
@@ -234,6 +347,11 @@
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      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
    },
+    "arrify": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-2.0.1.tgz",
+      "integrity": "sha512-3duEwti880xqi4eAMN8AyR4a0ByT90zoYdLlevfrvU43vb0YZwZVfxOgxWrLXXXpyugL0hNZc9G6BiB5B3nUug=="
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@@ -274,6 +392,48 @@
      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
      "dev": true
    },
+    "aws-sdk": {
+      "version": "2.633.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.633.0.tgz",
+      "integrity": "sha512-C28/GefIQ+Dk1hjPQrpG1Yt9RdvqeFMP4nb6iActanoGq5JTSJU9103ukpBzrHz96fvjhIRogrvfOhDKubbcjw==",
+      "requires": {
+        "buffer": "4.9.1",
+        "events": "1.1.1",
+        "ieee754": "1.1.13",
+        "jmespath": "0.15.0",
+        "querystring": "0.2.0",
+        "sax": "1.2.1",
+        "url": "0.10.3",
+        "uuid": "3.3.2",
+        "xml2js": "0.4.19"
+      },
+      "dependencies": {
+        "sax": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
+          "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
+        },
+        "uuid": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+        },
+        "xml2js": {
+          "version": "0.4.19",
+          "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
+          "integrity": "sha512-esZnJZJOiJR9wWKMyuvSE1y6Dq5LCuJanqhxslH2bxM6duahNZ+HMpCLhBQGZkbX6xRf8x1Y2eJlgt2q3qo49Q==",
+          "requires": {
+            "sax": ">=0.6.0",
+            "xmlbuilder": "~9.0.1"
+          }
+        },
+        "xmlbuilder": {
+          "version": "9.0.7",
+          "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
+          "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
+        }
+      }
+    },
    "aws-sign2": {
      "version": "0.7.0",
      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -292,6 +452,11 @@
      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
      "dev": true
    },
+    "base64-js": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
+    },
    "bcrypt-pbkdf": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -318,6 +483,11 @@
        }
      }
    },
+    "bignumber.js": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
+      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ=="
+    },
    "binary-extensions": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
@@ -415,6 +585,21 @@
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      "dev": true
    },
+    "buffer": {
+      "version": "4.9.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "requires": {
+        "base64-js": "^1.0.2",
+        "ieee754": "^1.1.4",
+        "isarray": "^1.0.0"
+      }
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+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+    },
    "buffer-from": {
      "version": "1.1.1",
      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -974,6 +1159,17 @@
      "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=",
      "dev": true
    },
+    "duplexify": {
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.7.1.tgz",
+      "integrity": "sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==",
+      "requires": {
+        "end-of-stream": "^1.0.0",
+        "inherits": "^2.0.1",
+        "readable-stream": "^2.0.0",
+        "stream-shift": "^1.0.0"
+      }
+    },
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@@ -984,6 +1180,14 @@
        "safer-buffer": "^2.1.0"
      }
    },
+    "ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
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@@ -1000,6 +1204,14 @@
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      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
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+    "end-of-stream": {
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+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
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@@ -3136,6 +3562,26 @@
        "react-is": "^16.8.1"
      }
    },
+    "protobufjs": {
+      "version": "6.8.8",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.8.8.tgz",
+      "integrity": "sha512-AAmHtD5pXgZfi7GMpllpO3q1Xw1OYldr+dMUlAnffGTAhqkg72WdmSY71uKBF/JuyiKs8psYbtKrhi0ASCD8qw==",
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.2",
+        "@protobufjs/base64": "^1.1.2",
+        "@protobufjs/codegen": "^2.0.4",
+        "@protobufjs/eventemitter": "^1.1.0",
+        "@protobufjs/fetch": "^1.1.0",
+        "@protobufjs/float": "^1.0.2",
+        "@protobufjs/inquire": "^1.1.0",
+        "@protobufjs/path": "^1.1.2",
+        "@protobufjs/pool": "^1.1.0",
+        "@protobufjs/utf8": "^1.1.0",
+        "@types/long": "^4.0.0",
+        "@types/node": "^10.1.0",
+        "long": "^4.0.0"
+      }
+    },
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      "version": "1.4.7",
      "resolved": "https://registry.npmjs.org/protocols/-/protocols-1.4.7.tgz",
@@ -3173,6 +3619,11 @@
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      "dev": true
    },
+    "querystring": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
+      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
+    },
    "quick-format-unescaped": {
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      "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-3.0.3.tgz",
@@ -3242,7 +3693,6 @@
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-      "dev": true,
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@@ -3256,8 +3706,7 @@
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-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-          "dev": true
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
        }
      }
    },
@@ -3418,6 +3867,25 @@
        "through": "~2.3.4"
      }
    },
+    "retry-request": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/retry-request/-/retry-request-4.1.1.tgz",
+      "integrity": "sha512-BINDzVtLI2BDukjWmjAIRZ0oglnCAkpP2vQjM3jdLhmT62h0xnQgciPwBRDAvHqpkPT2Wo1XuUyLyn6nbGrZQQ==",
+      "requires": {
+        "debug": "^4.1.1",
+        "through2": "^3.0.1"
+      },
+      "dependencies": {
+        "through2": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.1.tgz",
+          "integrity": "sha512-M96dvTalPT3YbYLaKaCuwu+j06D/8Jfib0o/PxbVt6Amhv3dUAtW6rTV1jPgJSBG83I/e04Y6xkVdVhSRhi0ww==",
+          "requires": {
+            "readable-stream": "2 || 3"
+          }
+        }
+      }
+    },
    "rimraf": {
      "version": "2.6.3",
      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
@@ -3448,8 +3916,7 @@
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      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
-      "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
-      "dev": true
+      "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
    },
    "safer-buffer": {
      "version": "2.1.2",
@@ -3469,8 +3936,7 @@
    "semver": {
      "version": "6.3.0",
      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
-      "dev": true
+      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
    },
    "send": {
      "version": "0.17.1",
@@ -3722,6 +4188,11 @@
      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
    },
+    "stream-shift": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.1.tgz",
+      "integrity": "sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ=="
+    },
    "string-width": {
      "version": "4.2.0",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
@@ -3779,7 +4250,6 @@
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      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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-      "dev": true,
      "requires": {
        "safe-buffer": "~5.1.0"
      },
@@ -3787,8 +4257,7 @@
        "safe-buffer": {
          "version": "5.1.2",
          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-          "dev": true
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
        }
      }
    },
@@ -5479,6 +5948,11 @@
        }
      }
    },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
+    },
    "unix-dgram": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/unix-dgram/-/unix-dgram-2.0.3.tgz",
@@ -5503,11 +5977,26 @@
        "punycode": "^2.1.0"
      }
    },
+    "url": {
+      "version": "0.10.3",
+      "resolved": "https://registry.npmjs.org/url/-/url-0.10.3.tgz",
+      "integrity": "sha1-Ah5NnHcF8hu/N9A861h2dAJ3TGQ=",
+      "requires": {
+        "punycode": "1.3.2",
+        "querystring": "0.2.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "1.3.2",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
+          "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
+        }
+      }
+    },
    "util-deprecate": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
    },
    "utils-merge": {
      "version": "1.0.0",
@@ -5556,6 +6045,11 @@
      "integrity": "sha512-DRibZL6DsNhIgYQ+wNdWDL2SL3bKPlVrRiBqV5yuMm++op8W4kGFtaQfCs4KEJn0wBZcHVHJ3eoywX8983k1ow==",
      "dev": true
    },
+    "walkdir": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/walkdir/-/walkdir-0.4.1.tgz",
+      "integrity": "sha512-3eBwRyEln6E1MSzcxcVpQIhRG8Q1jLvEqRmCZqS3dsfXEDR/AhOF4d+jHg1qvDCpYaVRZjENPQyrVxAkQqxPgQ=="
+    },
    "which": {
      "version": "1.3.1",
      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -5622,8 +6116,7 @@
    "wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
    },
    "write": {
      "version": "1.0.3",
--- a/package.json
+++ b/package.json
@@ -27,16 +27,16 @@
  },
  "dependencies": {
    "bent": "^7.0.6",
-    "jambonz-mw-registrar": "^0.1.3",
+    "cidr-matcher": "^2.1.1",
    "debug": "^4.1.1",
    "drachtio-fn-b2b-sugar": "0.0.12",
    "drachtio-fsmrf": "^1.5.14",
    "drachtio-srf": "^4.4.28",
    "express": "^4.17.1",
    "ip": "^1.1.5",
-    "cidr-matcher": "^2.1.1",
    "jambonz-db-helpers": "^0.3.2",
-    "jambonz-realtimedb-helpers": "^0.1.8",
+    "jambonz-mw-registrar": "^0.1.3",
+    "jambonz-realtimedb-helpers": "^0.2.1",
    "jambonz-stats-collector": "^0.0.3",
    "moment": "^2.24.0",
    "parse-url": "^5.0.1",
--- a/test/data/good/alternate-syntax.json
+++ b/test/data/good/alternate-syntax.json
@@ -13,7 +13,7 @@
      "text": "Please say the name of the department that you would like to speak with.  To speak to an operator, just say operator.",
      "synthesizer": {
        "vendor": "google",
-        "voice": "en-US-Wavenet-C"
+        "language": "en-US"
      }
    }
  },
@@ -22,7 +22,7 @@
    "text": "I'm sorry, I did not hear a response.  Goodbye.",
    "synthesizer": {
      "vendor": "google",
-      "voice": "en-US-Wavenet-C"
+      "language": "en-US"
    }
  },
  {