telnyx-voice-streaming-javascript

name	telnyx-voice-streaming-javascript
description	Stream call audio in real-time, fork media to external destinations, and transcribe speech live. Use for real-time analytics and AI integrations. This skill provides JavaScript SDK examples.
metadata	{"author":"telnyx","product":"voice-streaming","language":"javascript","generated_by":"telnyx-ext-skills-generator"}

Telnyx Voice Streaming - JavaScript

Installation

npm install telnyx

Setup

import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

All examples below assume client is already initialized as shown above.

Forking start

Call forking allows you to stream the media from a call to a specific target in realtime.

POST /calls/{call_control_id}/actions/fork_start

const response = await client.calls.actions.startForking('call_control_id');

console.log(response.data);

Forking stop

Stop forking a call.

POST /calls/{call_control_id}/actions/fork_stop

const response = await client.calls.actions.stopForking('call_control_id');

console.log(response.data);

Streaming start

Start streaming the media from a call to a specific WebSocket address or Dialogflow connection in near-realtime.

POST /calls/{call_control_id}/actions/streaming_start

const response = await client.calls.actions.startStreaming('call_control_id');

console.log(response.data);

Streaming stop

Stop streaming a call to a WebSocket.

POST /calls/{call_control_id}/actions/streaming_stop

const response = await client.calls.actions.stopStreaming('call_control_id');

console.log(response.data);

Transcription start

Start real-time transcription.

POST /calls/{call_control_id}/actions/transcription_start

const response = await client.calls.actions.startTranscription('call_control_id');

console.log(response.data);

Transcription stop

Stop real-time transcription.

POST /calls/{call_control_id}/actions/transcription_stop

const response = await client.calls.actions.stopTranscription('call_control_id');

console.log(response.data);

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Webhooks

The following webhook events are sent to your configured webhook URL. All webhooks include telnyx-timestamp and telnyx-signature-ed25519 headers for verification (Standard Webhooks compatible).

Event	Description
callForkStarted	Call Fork Started
callForkStopped	Call Fork Stopped
callStreamingStarted	Call Streaming Started
callStreamingStopped	Call Streaming Stopped
callStreamingFailed	Call Streaming Failed
transcription	Transcription