@techreport{dcsgroup-sip-call-auth-02,
    number =    {draft-dcsgroup-sip-call-auth-02},
    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-call-auth/02/},
    author =    {Bill Marshall and Dr. K. K. Ramakrishnan and Ed Miller and Glenn Russell and Burcak N. Beser and Mike Mannette and Kurt Steinbrenner and David R. Oran and Flemming Andreasen and John Pickens and Poornima A. Lalwaney and Dr. Jonathan Fellows and David A. Evans},
    title =     {{SIP Extensions for Media Authorization}},
    pagetotal = 15,
    year =      2000,
    month =     jul,
    day =       17,
    abstract =  {This document describes the need for call authorization and offers a mechanism for call authorization that can be used for admission control and against denial of service attacks.},
}