@misc{rfc6878,
    series =    {Request for Comments},
    number =    6878,
    howpublished =  {RFC 6878},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6878},
    url =       {https://www.rfc-editor.org/info/rfc6878},
    author =    {Adam Roach},
    title =     {{IANA Registry for the Session Initiation Protocol (SIP) "Priority" Header Field}},
    pagetotal = 3,
    year =      2013,
    month =     mar,
    abstract =  {This document defines a new IANA registry to keep track of the values defined for the Session Initiation Protocol (SIP) "Priority" header field. It updates RFC 3261.},
}