SIP History

Feb. 22, 1996 draft-ietf-mmusic-scip-00; IDMS paper
Feb. 22, 1996 draft-ietf-mmusic-sip-00
Dec. 2, 1996 draft-ietf-mmusic-sip-01
March 27, 1997 draft-ietf-mmusic-sip-02
July 31, 1997 draft-ietf-mmusic-sip-03
November 11, 1997 draft-ietf-mmusic-sip-04
May 14, 1998 draft-ietf-mmusic-sip-05
June 17, 1998 draft-ietf-mmusic-sip-06
July 16, 1998 draft-ietf-mmusic-sip-07
August 7, 1998 draft-ietf-mmusic-sip-08
September 18, 1998 draft-ietf-mmusic-sip-09
September 28, 1998 Last call
November 12, 1998 draft-ietf-mmusic-sip-10
December 15, 1998 draft-ietf-mmusic-sip-11
January 15, 1999 draft-ietf-mmusic-sip-12
February 2, 1999 Approved
March 17, 1999 RFC 2543
July 3, 2002 RFC 3261 (SIP: Session Initiation Protocol), RFC 3262 (Reliability of Provisional Responses in Session Initiation Protocol (SIP)), RFC 3263 (Session Initiation Protocol (SIP): Locating SIP Servers), RFC 3264 (An Offer/Answer Model with Session Description Protocol (SDP)), RFC 3265 (Session Initiation Protocol (SIP)-Specific Event Notification), RFC 3266 (Support for IPv6 in Session Description Protocol (SDP)) published

Other signaling protocols

ISI developed the Connection Control Protocol, an early signaling protocol, around 1992. (IETF minutes IETF minutes)

H.323 was developed roughly in parallel, with the first version (H.323v1) published in November 1996.


Last updated by Henning Schulzrinne