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[Sipping] I-D Action:draft-ietf-sipping-cc-framework-12.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           : A Call Control and Multi-party usage framework for the Session Initiation Protocol (SIP)
	Author(s)       : R. Mahy, et al.
	Filename        : draft-ietf-sipping-cc-framework-12.txt
	Pages           : 44
	Date            : 2009-12-20

This document defines a framework and requirements for call control
and multi-party usage of Session Initiation Protocol (SIP).  To
enable discussion of multi-party features and applications we define
an abstract call model for describing the media relationships
required by many of these.  The model and actions described here are
specifically chosen to be independent of the SIP signaling and/or
mixing approach chosen to actually setup the media relationships.  In
addition to its dialog manipulation aspect, this framework includes
requirements for communicating related information and events such as
conference and session state, and session history.  This framework
also describes other goals that embody the spirit of SIP applications
as used on the Internet such as: definition of primitives, not
services; invoker and participant oriented; signaling and mixing
model independence, and others.

Status of this Memo

This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79.

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This Internet-Draft will expire on June 23, 2010.

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