[Sipping] I-D ACTION:draft-ietf-sipping-reason-header-for-preemption-03.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Session Initiation Proposal Investigation Working Group of the IETF.

	Title		: Extending the Session Initiation Protocol Reason Header for Preemption Events
	Author(s)	: J. Polk
	Filename	: draft-ietf-sipping-reason-header-for-preemption-03.txt
	Pages		: 19
	Date		: 2005-7-19

This document proposes an IANA Registration extension to the Session
   Initiation Protocol (SIP) Reason Header to include in a BYE Method 
   Request as a result of a session preemption event, either at a user 
   agent (UA), or somewhere in the network using RSVP.  This document 
   does not attempt to address routers failing in the packet path; but 
   a deliberate event of tearing down a flow between UAs, and informing
   the terminated UA(s) with an indication of what occurred.

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