SIP stands for Session Initiation Protocol.

SIP is a widely used signaling protocol in VoIP that is used a lot in telecom.

To adapt to WebRTC, SIP introduced SIP over WebSocket. This enables running a SIP session via a web browser where the media is handled by WebRTC.

About WebRTC Glossary

The WebRTC Glossary is an ongoing project where users can learn more about WebRTC related terms. It is maintained by Tsahi Levent-Levi of

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