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A Call Control and Multi-Party Usage Framework for the Session Initiation Protocol (SIP)
RFC 5850

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['call control', 'multiparty', 'features', 'mixing', 'refer', '3pcc', 'Refer method', 'Replaces header field', 'Join header field', 'conferencing']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "A. Johnston": changed name from "Alan Johnston" to "A. Johnston", changed is_editor from "False" to "True", changed order from "2" to "5"
2026-05-20
(System) Changed author "D. Petrie": changed name from "Daniel Petrie" to "D. Petrie", changed affiliation from "SIPez" to "SIP EZ", changed order from "0" to "4"
2026-05-20
(System) Changed author "J. Rosenberg": changed name from "Jonathan Rosenberg" to "J. Rosenberg", changed order from "1" to "3"
2026-05-20
(System) Changed author "R. Sparks": changed name from "Robert Sparks" to "R. Sparks", changed affiliation from "Tekelec" to "Tekelek", changed order from "3" to "2"
2026-05-20
(System) Changed author "R. Mahy": changed name from "Rohan Mahy" to "R. Mahy", changed order from "4" to "1"
2026-05-20
(System) Metadata update from RFC Editor
2015-10-14
(System) Notify list changed from sipping-chairs@ietf.org, draft-ietf-sipping-cc-framework@ietf.org to (None)
2010-05-27
Cindy Morgan State Changes to RFC Published from RFC Ed Queue by Cindy Morgan
2010-05-27
Cindy Morgan [Note]: 'RFC 5850' added by Cindy Morgan
2010-05-26
(System) RFC published