@techreport{kyzivat-dispatch-trs-call-info-purpose-01,
    number =    {draft-kyzivat-dispatch-trs-call-info-purpose-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kyzivat-dispatch-trs-call-info-purpose/01/},
    author =    {Paul Kyzivat},
    title =     {{Telecommunications Relay Service Purpose for the Call-Info Header Field in the Session Initiation Protocol (SIP)}},
    pagetotal = 5,
    year =      2015,
    month =     jan,
    day =       20,
    abstract =  {This document defines and registers a value of "original-identity" for the "purpose" header field parameter of the Call-Info header field in the Session Initiation Protocol (SIP).},
}