| Fri, July 17, 1998 to July 31, 1998 | MMUSIC Working Group last call (send comments to authors or WG mailing list) |
| September 18, 1998 | revised draft (09) based on WG last-call comments and discussion at Chicago IETF |
| September 28 to October 12, 1998 | IETF last call |
| November 13, 1998 | SIP spec revision 10 issued based on last-call and AD comments |
| February 2, 1999 | SIP made proposed standard |
| March 16, 1999 | RFC 2543 released; |
| April 8/9, 1999 | First First SIP bake-off at Columbia University |
| August 5/6, 1999 | Second SIP bake-off at pulver.com in Melville, NY |
| December 6-8, 1999 | Third SIP bake-off at Ericsson in Richardson, Texas |
| April 17-19, 2000 | Fourth SIP bake-off at 3Com in Rolling Meadows, Illinois |
| August 8-10, 2000 | Fifth SIP bake-off at pulver.com in Melville, NY |
| December 5-8, 2000 | Sixth SIP bake-off at Sun Microsystems in Santa Clara, California |
| 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 |
Last updated by Henning Schulzrinne