SIP: Session Initiation Protocol
RFC 3261, “SIP: Session Initiation Protocol”, is a Proposed Standard document published in July 2002 by J. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler. It obsoletes RFC 2543. It has since been updated by RFC 3265, RFC 3853, RFC 4320, RFC 4916, RFC 5393, RFC 5621, RFC 5626, RFC 5630, RFC 5922, RFC 5954, RFC 6026, RFC 6141, RFC 6665, RFC 6878, RFC 7462, RFC 7463, RFC 8217, RFC 8591, RFC 8760, RFC 8898, RFC 8996. The canonical text is published by the RFC Editor.
Abstract
This document describes Session Initiation Protocol (SIP), an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 3261 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 3260 New Terminology and Clarifications for Diffserv
- RFC 3262 Reliability of Provisional Responses in Session Initiation Protocol
- RFC 3259 A Message Bus for Local Coordination
- RFC 3263 Session Initiation Protocol : Locating SIP Servers
- RFC 3258 Distributing Authoritative Name Servers via Shared Unicast Addresses
- RFC 3264 An Offer/Answer Model with Session Description Protocol
- RFC 3257 Stream Control Transmission Protocol Applicability Statement
- RFC 3265 Session Initiation Protocol -Specific Event Notification