RFC 2543 · March 1999 · M. Handley, H. Schulzrinne, E. Schooler, J. Rosenberg
SIP: Session Initiation Protocol
PROPOSED STANDARDIETF stream
Obsoleted by RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3265. Read the newer document for current behaviour.
Index fetched 2026-10-19 from rfc-editor.org
A visual explanation of this RFC hasn't been generated yet. Showing its lineage and text. What's coming
Lineage
100%
Obsoleted by (5)
- RFC 3265 — Session Initiation Protocol (SIP)-Specific Event Notification
- RFC 3264 — An Offer/Answer Model with Session Description Protocol (SDP)
- RFC 3263 — Session Initiation Protocol (SIP): Locating SIP Servers
- RFC 3262 — Reliability of Provisional Responses in Session Initiation Protocol (SIP)
- RFC 3261 — SIP: Session Initiation Protocol
Text
Loading the RFC text…