%% You should probably cite rfc6086 instead of this I-D.
@techreport{ietf-sipcore-info-events-10,
    number =    {draft-ietf-sipcore-info-events-10},
    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-sipcore-info-events/10/},
    author =    {Christer Holmberg and Eric Burger and Hadriel Kaplan},
    title =     {{Session Initiation Protocol (SIP) INFO Method and Package Framework}},
    pagetotal = 36,
    year =      2010,
    month =     oct,
    day =       12,
    abstract =  {This document defines a method, INFO, for the Session Initiation Protocol (SIP), and an Info Package mechanism. This document obsoletes RFC 2976. For backward compatibility, this document also specifies a "legacy" mode of usage of the INFO method that is compatible with the usage previously defined in RFC 2976, referred to as "legacy INFO Usage" in this document. {[}STANDARDS-TRACK{]}},
}