%% You should probably cite rfc5365 instead of this I-D.
@techreport{ietf-sip-uri-list-message-03,
    number =    {draft-ietf-sip-uri-list-message-03},
    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-message/03/},
    author =    {Gonzalo Camarillo and Miguel Angel García},
    title =     {{Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)}},
    pagetotal = 18,
    year =      2007,
    month =     dec,
    day =       21,
    abstract =  {This document specifies a mechanism that allows a SIP User Agent Client (UAC) to send a SIP MESSAGE request to a set of destinations, by using a SIP URI-list (Uniform Resource Identifier list) service. The UAC sends a SIP MESSAGE request that includes the payload along with the URI list to the MESSAGE URI-list service, which sends a MESSAGE request including the payload to each of the URIs included in the list. {[}STANDARDS-TRACK{]}},
}