@misc{rfc4235,
    series =    {Request for Comments},
    number =    4235,
    howpublished =  {RFC 4235},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4235},
    url =       {https://www.rfc-editor.org/info/rfc4235},
    author =    {Henning Schulzrinne and Jonathan Rosenberg and Rohan Mahy},
    title =     {{An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)}},
    pagetotal = 39,
    year =      2005,
    month =     nov,
    abstract =  {This document defines a dialog event package for the SIP Events architecture, along with a data format used in notifications for this package. The dialog package allows users to subscribe to another user and to receive notification of the changes in state of INVITE-initiated dialog usages in which the subscribed-to user is involved. {[}STANDARDS-TRACK{]}},
}