Interface Options

The following example demonstrates how to use the twilio npm module to generate credentials with a ttl of 120 seconds, using UDP protocol, and specifying ashburn as the edge location.

import Client from 'twilio';
import { testMediaConnectionBitrate } from '@twilio/rtc-diagnostics';

// Generate the STUN and TURN server credentials with a ttl of 120 seconds
const client = Client(twilioAccountSid, authToken);
const token = await client.tokens.create({ ttl: 120 });
const iceServers = [];

// Grab STUN server
iceServers.push({ urls: token.iceServers.find(item => item.urls.includes('stun:global.stun.twilio.com')).urls });

// Grab TURN servers.
// Use the following filters if you want to use UDP, TCP, or TLS
// UDP: turn:global.turn.twilio.com:3478?transport=udp
// TCP: turn:global.turn.twilio.com:3478?transport=tcp
// TLS: turn:global.turn.twilio.com:443?transport=tcp
let { urls, username, credential } = token.iceServers
  .find(item => item.url === 'turn:global.turn.twilio.com:3478?transport=udp');
iceServers.push({ urls, username, credential });

// By default, global will be used as the default edge location.
// You can replace global with a specific edge name.
iceServers.forEach(iceServer => {
  iceServer.urls = iceServer.urls.replace('global', 'ashburn');
});

// Use the TURN credentials using the iceServers parameter
const mediaConnectionBitrateTest = testMediaConnectionBitrate({ iceServers });

Note, for production code, the above code should not be executed client side as it requires the authToken which must be treated like a private key.

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