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jsSIP is a robust JavaScript library that enables developers to integrate Voice over IP (VoIP) and real-time communication capabilities directly into web applications using the WebRTC protocol. Built on the Session Initiation Protocol (SIP) over WebSockets, jsSIP allows web applications to manage VoIP calls, messaging, and other communication functions. Designed to work in modern web browsers, jsSIP brings powerful SIP functionality typically seen in dedicated software or phone applications to the browser environment, which opens up various possibilities for applications in customer support, remote collaboration, and virtual meeting tools. With jsSIP, developers can create a range of telecommunication features, such as initiating and receiving calls, managing call events (like hold, mute, and transfer), and handling media (audio and video streams) in real-time. Its API is designed to be flexible and intuitive, making it accessible to developers familiar with JavaScript but new to SIP and VoIP technologies. jsSIP supports critical elements of the SIP protocol, including SIP over WebSocket (RFC 7118) and WebRTC media capabilities, ensuring compatibility with popular SIP servers. |