@techreport{dcsgroup-sip-arch-06,
    number =    {draft-dcsgroup-sip-arch-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-dcsgroup-sip-arch/06/},
    author =    {Dr. K. K. Ramakrishnan and Matt Osman and Flemming Andreasen and Doc Evans},
    title =     {{Architectural Considerations for Providing Carrier Class Telephony Services Utilizing SIP-based Distributed Call Control Mechanisms}},
    pagetotal = 167,
    year =      2002,
    month =     mar,
    day =       6,
    abstract =  {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.},
}