SIP-Specific Event Notification

This specification has been revised 6 times since RFC 2543 (1999). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

Current versions — implement against these

RFC 3261SIP: Session Initiation ProtocolUpdated
July 2002proposed standard
RFC 3262Reliability of Provisional Responses in Session Initiation Protocol (SIP)Current
July 2002proposed standard
RFC 3263Session Initiation Protocol (SIP): Locating SIP ServersUpdated
July 2002proposed standard
RFC 3264An Offer/Answer Model with Session Description Protocol (SDP)Updated
July 2002proposed standard
RFC 6665SIP-Specific Event NotificationUpdated
July 2012proposed standard

Superseded versions — historical reference only

This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 6665 (July 2012).