@techreport{campbell-sip-cc-framework-02,
    number =    {draft-campbell-sip-cc-framework-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-campbell-sip-cc-framework/02/},
    author =    {Ben Campbell},
    title =     {{Framework for SIP Call Control Extensions}},
    pagetotal = 7,
    year =      2001,
    month =     mar,
    day =       6,
    abstract =  {This document proposes that SIP call control features be added in a modular fashion, using an open-ended framework of extensions instead of a single extension. This memo proposes a modular design philosophy for call control extensions, and lists current work-in-progress call control related drafts.},
}