Architectural Considerations for Providing Carrier Class Telephony Services Utilizing SIP-based Distributed Call Control Mechanisms

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Last updated 2002-03-06
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document provides an overview of a SIP-based Distributed Call Signaling (DCS) architecture to support carrier class packet-based documents address a specific set of SIP 2.0 protocol extensions and usage rules that are necessary to implement the DCS architecture in an interoperable fashion.


K. Ramakrishnan (
Matt Osman (
Flemming Andreasen (
Doc Evans (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)