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The Session Initiation Protocol (SIP) "Replaces" Header
RFC 3891

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['SIP', 'Session Initiation Protocol', 'multi-party applications', 'call control']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "R. Dean": changed name from "Rick Dean" to "R. Dean", changed order from "2" to "3"
2026-05-20
(System) Changed author "B. Biggs": changed name from "Billy Biggs" to "B. Biggs", changed order from "1" to "2"
2026-05-20
(System)
Changed author "R. Mahy": changed name from "Rohan Mahy" to "R. Mahy", changed affiliation from "Cisco Systems" to "Cisco Systems, Inc.", cleared country (was "USA"), …
Changed author "R. Mahy": changed name from "Rohan Mahy" to "R. Mahy", changed affiliation from "Cisco Systems" to "Cisco Systems, Inc.", cleared country (was "USA"), changed order from "0" to "1"
2026-05-20
(System) Metadata update from RFC Editor
2022-09-30
(System) Received changes through RFC Editor sync (added Verified Errata tag)
2015-10-14
(System) Notify list changed from ,  to (None)
2008-03-04
(System) Posted related IPR disclosure: M. Wayne Wilson's Statement about IPR related to RFC 3891 belonging to Lauber, Pamela J
2004-09-30
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2004-09-30
Amy Vezza [Note]: 'RFC 3891' added by Amy Vezza
2004-09-28
(System) RFC published