JsSIP

Developer(s) JsSIP Project Development status Active Operating system Cross-platform		Stable release 3.0.1 Written in JavaScript

Initial release 2011; 6 years ago (2011)

JsSIP is a simple to use library for the programming language JavaScript which takes advantage of latest developments in SIP and WebRTC to provide a fully featured SIP endpoint in any website. With JsSIP any website can get real-time communication features using audio, video and more with just a few lines of code. Using JsSIP it is possible to build SIP user agents that can send and receive audio and video calls, and text messages.

General features
Standards
SIP proxies, servers
WebRTC web browsers
License
References

General features

SIP over WebSocket transport

Audio-video calls, instant messaging and presence

Pure JavaScript built from the ground up

Easy to use and powerful user API

Works with OverSIP, Kamailio and Asterisk servers

SIP standards

Standards

JsSIP implements the following SIP specifications:

RFC 3261 — SIP: Session Initiation Protocol

RFC 3311 — SIP Update Method

RFC 3326 — The Reason Header Field for SIP

RFC 3327 — SIP Extension Header Field for Registering Non-Adjacent Contacts (Path header)

RFC 3428 — SIP Extension for Instant Messaging (MESSAGE method)

RFC 4028 — Session Timers in SIP

RFC 5626 — Managing Client-Initiated Connections in SIP (Outbound mechanism)

RFC 5954 — Essential Correction for IPv6 ABNF and URI Comparison in RFC 3261

RFC 6026 — Correct Transaction Handling for 2xx Responses to SIP INVITE Requests

RFC 7118 — The WebSocket Protocol as a Transport for SIP

SIP proxies, servers

JsSIP uses the SIP over WebSocket transport for sending and receiving SIP requests and responses, and thus, it requires a SIP proxy/server with WebSocket support. Currently the following SIP servers have been tested and are using JsSIP as the basis for their WebRTC Gateway functionality:

FRAFOS ABC WebRTC Gateway

OverSIP

Kamailio

Asterisk

reSIProcate and repro

WebRTC web browsers

At the media plane (audio calls), JsSIP version 0.2.0 works with Chrome browser from version 24. At the signaling plane (SIP protocol), JsSIP runs in any WebSocket capable browser.

License

JsSIP is provided as open source software under the MIT license.

References

JsSIP Wikipedia

(Text) CC BY-SA

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