JsSIP is an open source community project that implements the SIP WebSocket transport. JsSIP makes use of the WebRTC stack present in modern web browsers for enabling audio/video realtime communication.
Zero plugins, zero vendor lock-in. Bye bye Flash and Java Applets!
JsSIP comes with an easy JavaScript API that provides the user with full flexibility over the SIP application running in the web.
Enjoy coding the custom SIP logic for your web application.