RFC 3486 · PROPOSED STANDARD · 2003
SUN · 14 JUN 2026
Compressing the Session Initiation Protocol
Overview
RFC 3486, “Compressing the Session Initiation Protocol”, is a Proposed Standard document published in February 2003 by G. Camarillo. It has since been updated by RFC 5049. The canonical text is published by the RFC Editor.
Abstract
This document describes a mechanism to signal that compression is desired for one or more Session Initiation Protocol (SIP) messages. It also states when it is appropriate to send compressed SIP messages to a SIP entity. [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.
Read this RFC
The canonical text of RFC 3486 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2003
- RFC 3485 The Session Initiation Protocol and Session Description Protocol Static Dictionary for Signaling Compression
- RFC 3487 Requirements for Resource Priority Mechanisms for the Session Initiation Protocol
- RFC 3484 Default Address Selection for Internet Protocol version 6
- RFC 3488 Cisco Systems Router-port Group Management Protocol
- RFC 3483 Framework for Policy Usage Feedback for Common Open Policy Service with Policy Provisioning
- RFC 3489 STUN - Simple Traversal of User Datagram Protocol Through Network Address Translators
- RFC 3482 Number Portability in the Global Switched Telephone Network : An Overview
- RFC 3490 Internationalizing Domain Names in Applications