@misc{rfc7315,
    series =    {Request for Comments},
    number =    7315,
    howpublished =  {RFC 7315},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC7315},
    url =       {https://www.rfc-editor.org/info/rfc7315},
    author =    {Roland Jesske and Keith Drage and Christer Holmberg},
    title =     {{Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3GPP}},
    pagetotal = 43,
    year =      2014,
    month =     jul,
    abstract =  {This document describes a set of private header (P-header) Session Initiation Protocol (SIP) fields used by the 3GPP, along with their applicability, which is limited to particular environments. The P-header fields are used for a variety of purposes within the networks that the partners implement, including charging and information about the networks a call traverses. This document obsoletes RFC 3455.},
}