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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  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
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