versatica/jssip

JsSIP is a JavaScript library that enables SIP (Session Initiation Protocol) communication over WebSocket, allowing developers to implement audio/video calls and instant messaging in web applications using WebRTC. It runs in both browsers and Node.js, making it easy to integrate real SIP functionality into web apps. The library is lightweight, easy to use, and works with popular SIP servers like Kamailio, Asterisk, and Mobicents, making it ideal for developers building real-time communication features.