A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Formal Model for Media Negotiation between SIP User Agents
Author(s) : A. Cuda, E. Marocco
Filename : draft-cuda-sipping-ua-fsm-00.txt
Pages : 42
Date : 2006-1-17
This document provides a formal description of the interactions
between two SIP User Agents establishing a multimedia session,
describing the negotiation of the two parties as an exchange of
signals between two instances of networks of Finite State Machines
(FSMs).
The goal is to provide a common reference model for both SIP
extensions and User Agent implementations: two flows that can be
implemented by using the external interface of the FSMs are
guaranteed not to conflict to each other. On the other hand a
reference model for User Agents is expected to improve
interoperability between different implementations and help
implementors to model their software in a way that makes SIP
extensions conforming to this document easier to implement.
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