%% You should probably cite rfc5366 instead of this I-D.
@techreport{ietf-sip-uri-list-conferencing-02,
    number =    {draft-ietf-sip-uri-list-conferencing-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-ietf-sip-uri-list-conferencing/02/},
    author =    {Gonzalo Camarillo and Alan Johnston},
    title =     {{Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)}},
    pagetotal = 13,
    year =      2007,
    month =     nov,
    day =       13,
    abstract =  {This document describes how to create a conference using SIP URI-list services. In particular, it describes a mechanism that allows a User Agent Client to provide a conference server with the initial list of participants using an INVITE-contained URI list. {[}STANDARDS-TRACK{]}},
}