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I-D ACTION:draft-ietf-sipping-reason-header-for-preemption-00.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-00.txt
	Pages		: 15
	Date		: 2004-1-13
	
This document proposes an IANA Registration extension to the Session
Initiation Protocol (SIP) Reason Header [1] to include in a BYE 
Method Request [2] as a result of a session preemption event either 
at a user agent (UA), or somewhere in the network using RSVP [3].  
This document does not attempt to address routers failing in the 
packet path; but a deliberate event of tearing down a flow between 
UAs.

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