%% You should probably cite rfc1911 instead of this I-D.
@techreport{umig-mime-voice-03,
    number =    {draft-umig-mime-voice-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-umig-mime-voice/03/},
    author =    {Gregory Vaudreuil},
    title =     {{Voice Profile for Internet Mail}},
    pagetotal = 22,
    year =      1995,
    month =     may,
    day =       5,
    abstract =  {The following document is a profile of the Internet standard MIME and ESMTP protocols for use as a digital voice networking protocol. This memo defines an Experimental Protocol for the Internet community.},
}