%% You should probably cite rfc3660 instead of this I-D.
@techreport{foster-mgcp-basic-packages-10,
    number =    {draft-foster-mgcp-basic-packages-10},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-foster-mgcp-basic-packages/10/},
    author =    {Bill Foster and Flemming Andreasen},
    title =     {{Basic Media Gateway Control Protocol (MGCP) Packages}},
    pagetotal = 64,
    year =      2003,
    month =     feb,
    day =       28,
    abstract =  {This document provides a basic set of Media Gateway Control Protocol (MGCP) packages. The generic, line, trunk, handset, RTP, DTMF (Dual Tone Multifrequency), announcement server and script packages are updates of packages from RFC 2705 with additional explanation and in some cases new versions of these packages. In addition to these, five new packages are defined here. These are the signal list, resource reservation, media format, supplementary services and digit map extension packages.},
}