RFC 4479 · PROPOSED STANDARD · 2006
SUN · 14 JUN 2026
A Data Model for Presence
Overview
RFC 4479, “A Data Model for Presence”, is a Proposed Standard document published in July 2006 by J. Rosenberg. The canonical text is published by the RFC Editor.
Abstract
This document defines the underlying presence data model used by Session Initiation Protocol (SIP) for Instant Messaging and Presence Leveraging Extensions (SIMPLE) presence agents. The data model provides guidance on how to map various communications systems into presence documents in a consistent fashion. [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 4479 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2006
- RFC 4478 Repeated Authentication in Internet Key Exchange Protocol
- RFC 4480 RPID: Rich Presence Extensions to the Presence Information Data Format
- RFC 4477 Dynamic Host Configuration Protocol : IPv4 and IPv6 Dual-Stack Issues
- RFC 4481 Timed Presence Extensions to the Presence Information Data Format to Indicate Status Information for Past and Future Time Intervals
- RFC 4476 Attribute Certificate Policies Extension
- RFC 4482 CIPID: Contact Information for the Presence Information Data Format
- RFC 4475 Session Initiation Protocol Torture Test Messages
- RFC 4483 A Mechanism for Content Indirection in Session Initiation Protocol Messages