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ObsoletedPROPOSED STANDARDIETF stream

RFC 2543: SIP: Session Initiation Protocol

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3265.

Current document in this lineage: 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 6665 — SIP-Specific Event Notification

In plain English — editorial summary, not part of the RFC

The Session Initiation Protocol (SIP) is an application-layer control (signaling) protocol for creating, modifying and terminating sessions with one or more participants. [STANDARDS-TRACK]

Document record

Document ID
RFC2543
Published
March 1999
Authors
M. Handley; H. Schulzrinne; E. Schooler; J. Rosenberg
Status
PROPOSED STANDARD
Stream
IETF
Area
art
Pages
151
Also known as
—
Obsoleted by:
RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3265

Topics

Standards lineage

This document is one revision in a chain of 7 RFCs, each formally replacing the one before it.

  1. RFC 2543 (1999)
  2. RFC 3261 (2002)
  3. RFC 3262 (2002)
  4. RFC 3263 (2002)
  5. RFC 3264 (2002)
  6. RFC 3265 (2002)
  7. RFC 6665 (2012) ✓

Read the full history of SIP-Specific Event Notification →

Referenced by

5 later RFCs formally update or obsolete part of this document.

Related documents

Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.

Also filed under

About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/2543-sip-session-initiation-protocol