RFC 7118 defines SIP over WebSocket using the WebSocket subprotocol name 'sip', letting browser clients act as SIP user agents.

Checked 2026-09-24

Vendor
IETF
Product
SIP over WebSocket
Subsystem
signaling
Deployment
browser
Region
not restricted
Release range
RFC 7118
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). WebRTC in modern contact centers: source note webrtc-deployment-sip-ws-subprotocol. WarmTransfer. https://warmtransfer.net/knowledge/claims/webrtc-deployment-sip-ws-subprotocol

BibTeX

@misc{warmtransfer-claim-webrtc-deployment-sip-ws-subprotocol,
  title  = {WebRTC in modern contact centers: source note webrtc-deployment-sip-ws-subprotocol},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webrtc-deployment-sip-ws-subprotocol},
  note   = {Source note webrtc-deployment-sip-ws-subprotocol, checked 2026-09-24}
}

Read in context