@misc{rfc4317,
    series =    {Request for Comments},
    number =    4317,
    howpublished =  {RFC 4317},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4317},
    url =       {https://www.rfc-editor.org/info/rfc4317},
    author =    {Alan Johnston and Robert Sparks},
    title =     {{Session Description Protocol (SDP) Offer/Answer Examples}},
    pagetotal = 24,
    year =      2005,
    month =     dec,
    abstract =  {This document gives examples of Session Description Protocol (SDP) offer/answer exchanges. Examples include codec negotiation and selection, hold and resume, and addition and deletion of media streams. The examples show multiple media types, bidirectional, unidirectional, inactive streams, and dynamic payload types. Common Third Party Call Control (3pcc) examples are also given. This memo provides information for the Internet community.},
}