addresses #340 and #331 (#341)

lib/session/call-session.js

@@ -64,6 +64,16 @@ class CallSession extends Emitter {
     this.notifiedComplete = false;
     this.rootSpan = rootSpan;
 
+    this._origRecognizerSettings = {
+      vendor: this.application?.speech_recognizer_vendor,
+      language: this.application?.speech_recognizer_language,
+    };
+    this._origSynthesizerSettings = {
+      vendor: this.application?.speech_synthesis_vendor,
+      language: this.application?.speech_synthesis_language,
+      voice: this.application?.speech_synthesis_voice,
+    };
+
     assert(rootSpan);
 
     this._recordState = RecordState.RecordingOff;
@@ -324,6 +334,22 @@ class CallSession extends Emitter {
     return this._globalSttPunctuation !== undefined;
   }
 
+  resetRecognizer() {
+    this._globalSttHints = undefined;
+    this._globalSttPunctuation = undefined;
+    this._globalAltLanguages = undefined;
+    this.isContinuousAsr = false;
+    this.asrDtmfTerminationDigits = undefined;
+    this.speechRecognizerLanguage = this._origRecognizerSettings.language;
+    this.speechRecognizerVendor = this._origRecognizerSettings.vendor;
+  }
+
+  resetSynthesizer() {
+    this.speechSynthesisLanguage = this._origSynthesizerSettings.language;
+    this.speechSynthesisVendor = this._origSynthesizerSettings.vendor;
+    this.speechSynthesisVoice = this._origSynthesizerSettings.voice;
+  }
+
   async notifyRecordOptions(opts) {
     const {action} = opts;
     this.logger.debug({opts}, 'CallSession:notifyRecordOptions');
@@ -680,6 +706,12 @@ class CallSession extends Emitter {
             stt_region: credential.stt_region
           };
         }
+        else if ('nvidia' === vendor) {
+          return {
+            speech_credential_sid: credential.speech_credential_sid,
+            riva_server_uri: credential.riva_server_uri
+          };
+        }
         else if (vendor.startsWith('custom:')) {
           return {
             speech_credential_sid: credential.speech_credential_sid,

lib/tasks/config.js

@@ -45,6 +45,14 @@ class TaskConfig extends Task {
 
   get summary() {
     const phrase = [];
+
+    /* reset recognizer and/or synthesizer to default values? */
+    if (this.data.reset) {
+      if (typeof this.data.reset === 'string') this.data.reset = [this.data.reset];
+      phrase.push(`reset ${this.data.reset.join(',')}`);
+    }
+    else this.data.reset = [];
+
     if (this.bargeIn.enable) phrase.push('enable barge-in');
     if (this.hasSynthesizer) {
       const {vendor:v, language:l, voice} = this.synthesizer;
@@ -86,6 +94,11 @@ class TaskConfig extends Task {
       }
     }
 
+    this.data.reset.forEach((k) => {
+      if (k === 'synthesizer') cs.resetSynthesizer();
+      else if (k === 'recognizer') cs.resetRecognizer();
+    });
+
     if (this.hasSynthesizer) {
       cs.speechSynthesisVendor = this.synthesizer.vendor !== 'default'
         ? this.synthesizer.vendor

lib/utils/db-utils.js

@@ -78,6 +78,10 @@ const speechMapper = (cred) => {
       const o = JSON.parse(decrypt(credential));
       obj.api_key = o.api_key;
     }
+    else if ('nvidia' === obj.vendor) {
+      const o = JSON.parse(decrypt(credential));
+      obj.riva_server_uri = o.riva_server_uri;
+    }
     else if (obj.vendor.startsWith('custom:')) {
       const o = JSON.parse(decrypt(credential));
       obj.auth_token = o.auth_token;

package.json

@@ -25,13 +25,13 @@
     "jslint:fix": "eslint app.js tracer.js lib --fix"
   },
   "dependencies": {
-    "@jambonz/db-helpers": "^0.7.4",
+    "@jambonz/db-helpers": "^0.7.9",
     "@jambonz/http-health-check": "^0.0.1",
-    "@jambonz/realtimedb-helpers": "^0.7.0",
+    "@jambonz/realtimedb-helpers": "^0.7.2",
     "@jambonz/speech-utils": "^0.0.12",
     "@jambonz/stats-collector": "^0.1.8",
     "@jambonz/time-series": "^0.2.5",
-    "@jambonz/verb-specifications": "^0.0.17",
+    "@jambonz/verb-specifications": "^0.0.21",
     "@opentelemetry/api": "^1.4.0",
     "@opentelemetry/exporter-jaeger": "^1.9.0",
     "@opentelemetry/exporter-trace-otlp-http": "^0.35.0",

test/gather-tests.js

@@ -102,6 +102,53 @@ test('\'gather\' test - default (google)', async(t) => {
   }
 });
 
+test('\'config\' test - reset to app defaults', async(t) => {
+  if (!GCP_JSON_KEY) {
+    t.pass('skipping config tests');
+    return t.end();
+  }
+  clearModule.all();
+  const {srf, disconnect} = require('../app');
+
+  try {
+    await connect(srf);
+    // GIVEN
+    let verbs = [
+      {
+        "verb": "config",
+        "recognizer": {
+          "vendor": "google",
+          "language": "fr-FR"
+        },
+      },
+      {
+        "verb": "config",
+        "reset": ['recognizer'],
+      },
+      {
+        "verb": "gather",
+        "input": ["speech"],
+        "timeout": 10,
+        "actionHook": "/actionHook"
+      }
+    ];
+    let from = "gather_success";
+    provisionCallHook(from, verbs);
+    // THEN
+    await sippUac('uac-gather-account-creds-success.xml', '172.38.0.10', from);
+    let obj = await getJSON(`http://127.0.0.1:3100/lastRequest/${from}_actionHook`);
+    //console.log(JSON.stringify(obj));
+    t.ok(obj.body.speech.alternatives[0].transcript.toLowerCase() === 'i\'d like to speak to customer support',
+      'config: resets recognizer to app defaults');
+
+    disconnect();
+  } catch (err) {
+    console.log(`error received: ${err}`);
+    disconnect();
+    t.error(err);
+  }
+});
+
 test('\'gather\' test - microsoft', async(t) => {
   if (!MICROSOFT_REGION || !MICROSOFT_API_KEY) {
     t.pass('skipping microsoft tests');

test/say-tests.js

@@ -43,3 +43,43 @@ test('\'say\' tests', async(t) => {
     t.error(err);
   }
 });
+
+test('\'config\' reset synthesizer tests', async(t) => {
+  clearModule.all();
+  const {srf, disconnect} = require('../app');
+
+  try {
+    await connect(srf);
+
+    // GIVEN
+    const verbs = [
+      {
+        "verb": "config",
+        "synthesizer": {
+          "vendor": "microsft",
+          "voice": "foobar"
+        },
+      },
+      {
+        "verb": "config",
+        "reset": 'synthesizer',
+      },
+      {
+        verb: 'say',
+        text: 'hello'
+      }
+    ];
+
+    const from = 'say_test_success';
+    provisionCallHook(from, verbs)
+
+    // THEN
+    await sippUac('uac-success-received-bye.xml', '172.38.0.10', from);
+    t.pass('say: succeeds when using using account credentials');
+    disconnect();
+  } catch (err) {
+    console.log(`error received: ${err}`);
+    disconnect();
+    t.error(err);
+  }
+});