Overview

• Runs in the browser and Node.js
• SIP over WebSocket (use real SIP in your web apps)
• Audio/video calls (WebRTC) and instant messaging
• Lightweight!
• Easy to use and powerful user API
• Works with Kamailio, Asterisk. Mobicents and repro (reSIProcate) servers (more info)
• Written by the authors of RFC 7118 "The WebSocket Protocol as a Transport for SIP" and mediasoup

Website and Documentation

jssip.net

Install

$ npm install jssip

Getting Started

The following simple JavaScript code creates a JsSIP User Agent instance and makes a SIP call:

varsocket=newJsSIP.WebSocketInterface('wss://sip.myhost.com');varconfiguration={sockets : [socket],uri : 'sip:alice@example.com',password : 'superpassword'};varua=newJsSIP.UA(configuration);ua.start();// Register callbacks to desired call eventsvareventHandlers={'progress': function(e){console.log('call is in progress');},'failed': function(e){console.log('call failed with cause: '+e.data.cause);},'ended': function(e){console.log('call ended with cause: '+e.data.cause);},'confirmed': function(e){console.log('call confirmed');}};varoptions={
eventHandlers,mediaConstraints: {'audio': true,'video': true}};varsession=ua.call('sip:bob@example.com',options);

Want to see more? Check the full documentation at https://jssip.net/documentation/.

Online Demo

tryit.jssip.net

Support

• For questions or usage problems please use Github discussions.

• For bug reports or feature requests open an Github issue.

Authors

José Luis Millán

• Main author. Core Designer and Developer.
• jmillan@aliax.net (Github @jmillan)

Iñaki Baz Castillo

• Core Designer and Developer.
• ibc@aliax.net (Github @ibc)

Saúl Ibarra Corretgé

• Core Designer.
• saghul@gmail.com (Github @saghul)

License

JsSIP is released under the MIT license.