SIP-Specific Event Notification
RFC 6665, “SIP-Specific Event Notification”, is a Proposed Standard document published in July 2012 by A.B. Roach. It updates RFC 3261, RFC 4660. It obsoletes RFC 3265. It has since been updated by RFC 7621. The canonical text is published by the RFC Editor.
Abstract
This document describes an extension to the Session Initiation Protocol (SIP) defined by RFC 3261. The purpose of this extension is to provide an extensible framework by which SIP nodes can request notification from remote nodes indicating that certain events have occurred.
Note that the event notification mechanisms defined herein are NOT intended to be a general-purpose infrastructure for all classes of event subscription and notification.
This document represents a backwards-compatible improvement on the original mechanism described by RFC 3265, taking into account several years of implementation experience. Accordingly, this document obsoletes RFC 3265. This document also updates RFC 4660 slightly to accommodate some small changes to the mechanism that were discussed in that document. [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 6665 is hosted at rfc-editor.org. Available in TXT,HTML.
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