@techreport{garcia-sipping-etsi-ngn-p-headers-00,
    number =    {draft-garcia-sipping-etsi-ngn-p-headers-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-garcia-sipping-etsi-ngn-p-headers/00/},
    author =    {Miguel Angel García},
    title =     {{Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) in support of the European Telecommunications Standards Institute (ETSI) Next Generation Networks (NGN)}},
    pagetotal = 9,
    year =      2005,
    month =     jul,
    day =       1,
    abstract =  {This document describes a private SIP header field (P-header) used by the European Telecommunications Standards Institte (ETSI) in Next Generation Networks (NGN). The P-header is used for triggering services.},
}