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The Message Session Relay Protocol (MSRP)
RFC 4975

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['instant message']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System)
Changed author "C. Jennings": changed name from "Cullen Jennings" to "C. Jennings", changed is_editor from "False" to "True", changed affiliation from "Cisco Systems" to "Cisco …
Changed author "C. Jennings": changed name from "Cullen Jennings" to "C. Jennings", changed is_editor from "False" to "True", changed affiliation from "Cisco Systems" to "Cisco Systems, Inc.", cleared country (was "USA"), changed order from "0" to "3"
2026-05-20
(System) Changed author "R. Mahy": changed name from "Rohan Mahy" to "R. Mahy", changed is_editor from "False" to "True", cleared country (was "USA")
2026-05-20
(System) Changed author "B. Campbell": changed name from "Ben Campbell" to "B. Campbell", changed is_editor from "False" to "True", cleared country (was "USA")
2026-05-20
(System) Metadata update from RFC Editor
2020-01-21
(System) Received changes through RFC Editor sync (added Verified Errata tag)
2015-10-14
(System) Notify list changed from rjsparks@nostrum.com, hisham.khartabil@nokia.com, adam@estacado.net to hisham.khartabil@nokia.com, adam@estacado.net
2007-09-26
Amy Vezza [Note]: 'RFC 4975, RFC 4976' added by Amy Vezza
2007-09-26
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2007-09-26
Amy Vezza [Note]: 'RFC 4976' added by Amy Vezza
2007-09-25
(System) RFC published