@techreport{rosenberg-sip-pip-00,
    number =    {draft-rosenberg-sip-pip-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-rosenberg-sip-pip/00/},
    author =    {Jonathan Rosenberg and Henning Schulzrinne},
    title =     {{SIP For Presence}},
    pagetotal = 21,
    year =      1998,
    month =     nov,
    day =       16,
    abstract =  {We describe an extension to SIP for subscription, notification, fetching, and indication of presence events. The extensions consist of two new methods, SUBSCRIBE and NOTIFY.},
}