I-D ACTION:draft-camarillo-dispatch-precons-00.txt

Internet-Drafts@ietf.org Wed, 10 March 2010 21:45 UTC

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	Title		: Media State under Preconditions in the Session Initiation Protocol (SIP)
	Author(s)	: G. Camarillo, J. Maenpaa, G. Yang
	Filename	: draft-camarillo-dispatch-precons-00.txt
	Pages		: 9
	Date		: 2010-3-8
	
   In this document, we describe how a UAS (User Agent Server) involved
   in a session modification can explicitly signal the point where the
   new session parameters start being used.  Explicitly signalling such
   a change in the session parameters can be useful so that network
   intermediaries such as B2BUAs (Back-to-back User Agents) have a clear
   picture of the session's state at every point.

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