@misc{rfc2543,
    series =    {Request for Comments},
    number =    2543,
    howpublished =  {RFC 2543},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2543},
    url =       {https://www.rfc-editor.org/info/rfc2543},
    author =    {Henning Schulzrinne and Eve Schooler and Jonathan Rosenberg and Mark J. Handley},
    title =     {{SIP: Session Initiation Protocol}},
    pagetotal = 151,
    year =      1999,
    month =     mar,
    abstract =  {The Session Initiation Protocol (SIP) is an application-layer control (signaling) protocol for creating, modifying and terminating sessions with one or more participants. {[}STANDARDS-TRACK{]}},
}