%% You should probably cite draft-ietf-avt-app-rtp-keepalive instead of this I-D.
@techreport{marjou-behave-app-rtp-keepalive-01,
    number =    {draft-marjou-behave-app-rtp-keepalive-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-marjou-behave-app-rtp-keepalive/01/},
    author =    {Xavier Marjou},
    title =     {{Application Mechanism for maintaining alive the Network Address Translator (NAT) mappings associated to RTP flows.}},
    pagetotal = 9,
    year =      2007,
    month =     feb,
    day =       2,
    abstract =  {This document defines a mechanism that enables applications using Real Time Protocol (RTP) to maintain their RTP Network Address Translator (NAT) mappings alive.},
}