antirek / Voicer
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voicer
AGI voice recognizer for Asterisk [use Yandex, Google or Wit.ai ASR online services]
Call to special extension, say "Vasya" and Asterisk connect you with Vasya! Excellent!
Workflow
Voicer work as AGI-server. Voicer accept request from asterisk via AGI app. It run handler for each request. Handler command asterisk record file.
After this send file to recognition service, receive text, search by text in source of data for finding concordance, if source have this text it return channel for call, voicer set dialplan vars RECOGNITION_RESULT as SUCCESS and RECOGNITION_TARGET for finded result.
After this voicer return control to dialplan. Build rules of dialplan using RECOGNITION_RESULT and RECOGNITION_TARGET.
Use
Install
$ npm install voicer -g
Run
voicer -p 3000 -t google -k <developer_key> -d /etc/voicer/peernames.json -r /var/records
run with --help for instructions
voicer --help
Configuration
Config.js
{
agi: {
port: 3000
},
processing: {
totalAttempts: 2,
playGreeting: true,
playBeepBeforeRecording: false //use system beep
},
asterisk: {
sounds: {
onErrorBeforeFinish: 'invalid',
onErrorBeforeRepeat: 'invalid',
greeting: 'beep'
},
recognitionDialplanVars: {
status: 'RECOGNITION_RESULT',
target: 'RECOGNITION_TARGET'
}
},
record: {
directory: '/tmp',
type: 'wav',
duration: 2,
},
recognize: {
directory: '/tmp',
type: 'witai', // ['yandex', 'google', 'witai']
options: {
developer_key: '6SQV3DEGQWIXW3R2EDFUMPQCVGOEIBCR'
}
},
lookup: {
type: 'file',
options: {
dataFile: 'data/peernames.json'
}
}
};
Asterisk
Write dialplan for call to AGI-server voicer like
[default]
exten=1000,1,AGI(agi://localhost:3000)
exten=1000,n,GotoIf($[${RECOGNITION_RESULT}=SUCCESS]?:default,1000,4)
exten=1000,n,Dial(${RECOGNITION_TARGET})
Format peernames
[
....
{
"name": "Vasya",
"target": "SIP/Sf567890",
"variants": ["vasya", "vasya petrov"]
},
....
]
Online peernames.json constructor
Errors?!
Bugs?! Oh, contact with me. I want to eat them.
Links
Yandex API key: https://developer.tech.yandex.ru/
Google API key: https://console.developers.google.com/
Wit.ai API key: http://wit.ai
Development
Test
npm test