Session Initiation Protocol Extension for Event State Publication
RFC 3903, “Session Initiation Protocol Extension for Event State Publication”, is a Proposed Standard document published in November 2004 by A. Niemi. It has since been updated by RFC 8996. The canonical text is published by the RFC Editor.
Abstract
This document describes an extension to the Session Initiation Protocol (SIP) for publishing event state used within the SIP Events framework. The first application of this extension is for the publication of presence information.
The mechanism described in this document can be extended to support publication of any event state for which there exists an appropriate event package. It is not intended to be a general-purpose mechanism for transport of arbitrary data, as there are better-suited mechanisms for this purpose. [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 3903 is hosted at rfc-editor.org. Available in TXT,HTML.
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