RFC 3486 (rfc3486) - Page 1 of 12
Compressing the Session Initiation Protocol (SIP)
Alternative Format: Original Text Document
Network Working Group G. Camarillo
Request for Comments: 3486 Ericsson
Category: Standards Track February 2003
Compressing the Session Initiation Protocol (SIP)
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2003). All Rights Reserved.
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.
Table of Contents
1. Introduction ............................................... 2
2. Overview of operation ...................................... 3
3. SigComp implementations for SIP ............................ 3
4. Sending a Request to a Server .............................. 3
4.1 Obtaining a SIP or SIPS URI with comp=sigcomp ........ 4
5. Sending a Response to a Client ............................. 5
6. Double Record-Routing ...................................... 6
7. Error Situations ........................................... 6
8. Augmented BNF .............................................. 7
9. Example .................................................... 7
10. Security Considerations .................................... 10
11. IANA Considerations ........................................ 10
12. Acknowledgements............................................ 10
13. Normative References ....................................... 10
14. Informative References ..................................... 11
15. Author's Address............................................ 11
16. Full Copyright Statement.................................... 12
Camarillo Standards Track
