@techreport{songyue-dispatch-invite-usage-indication-00,
    number =    {draft-songyue-dispatch-invite-usage-indication-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-songyue-dispatch-invite-usage-indication/00/},
    author =    {Yue Song and Yi Jiang},
    title =     {{Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for support of Indication of Dialog Type}},
    pagetotal = 15,
    year =      2012,
    month =     aug,
    day =       16,
    abstract =  {This document describes private extensions to the Session Initiation Protocol (SIP) that enable a SIP entity to indicate in the INVITE message the exact purpose of the INVITE transaction, e.g. media negotiation, session refresh or creation of an pure signaling dialog.},
}