RFC 4032 · PROPOSED STANDARD · 2005
SUN · 14 JUN 2026
Update to the Session Initiation Protocol Preconditions Framework
Overview
RFC 4032, “Update to the Session Initiation Protocol Preconditions Framework”, is a Proposed Standard document published in March 2005 by G. Camarillo, P. Kyzivat. It updates RFC 3312. The canonical text is published by the RFC Editor.
Abstract
This document updates RFC 3312, which defines the framework for preconditions in SIP. We provide guidelines for authors of new precondition types and describe how to use SIP preconditions in situations that involve session mobility. [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 4032 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2005
- RFC 4031 Service Requirements for Layer 3 Provider Provisioned Virtual Private Networks
- RFC 4033 DNS Security Introduction and Requirements
- RFC 4030 The Authentication Suboption for the Dynamic Host Configuration Protocol Relay Agent Option
- RFC 4034 Resource Records for the DNS Security Extensions
- RFC 4029 Scenarios and Analysis for Introducing IPv6 into ISP Networks
- RFC 4035 Protocol Modifications for the DNS Security Extensions
- RFC 4028 Session Timers in the Session Initiation Protocol
- RFC 4036 Management Information Base for Data Over Cable Service Interface Specification Cable Modem Termination Systems for Subscriber Management