The WebSocket Protocol as a Transport for the Session Initiation Protocol (SIP)

Document Type Replaced Internet-Draft (individual)
Last updated 2012-10-10 (latest revision 2012-04-16)
Replaces draft-ibc-rtcweb-sip-websocket
Replaced by draft-ietf-sipcore-sip-websocket
Stream (None)
Intended RFC status (None)
Expired & archived
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Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-sipcore-sip-websocket
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The WebSocket protocol enables two-way realtime communication between clients and servers. This document specifies a new WebSocket sub- protocol as a reliable transport mechanism between SIP (Session Initiation Protocol) entities and enables usage of the SIP protocol in new scenarios.


Inaki Castillo (
Jose Millan (
Victor Pascual (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)