@misc{rfc3487,
    series =    {Request for Comments},
    number =    3487,
    howpublished =  {RFC 3487},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3487},
    url =       {https://www.rfc-editor.org/info/rfc3487},
    author =    {Henning Schulzrinne},
    title =     {{Requirements for Resource Priority Mechanisms for the Session Initiation Protocol (SIP)}},
    pagetotal = 17,
    year =      2003,
    month =     mar,
    abstract =  {This document summarizes requirements for prioritizing access to circuit-switched network, end system and proxy resources for emergency preparedness communications using the Session Initiation Protocol (SIP). This memo provides information for the Internet community.},
}