@techreport{camarillo-sip-anat-option-tag-00,
    number =    {draft-camarillo-sip-anat-option-tag-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-camarillo-sip-anat-option-tag/00/},
    author =    {Gonzalo Camarillo and Jonathan Rosenberg},
    title =     {{The sdp-anat Session Initiation Protocol (SIP) Option-Tag}},
    pagetotal = 7,
    year =      2004,
    month =     jun,
    day =       9,
    abstract =  {This document defines the sdp-anat SIP option-tag. The presence of this option-tag in a Supported header field indicates support for the SDP grouping framework and for the ANAT (Alternative Network Address Types) semantics.},
}