%% You should probably cite rfc8866 instead of this I-D. @techreport{ietf-mmusic-rfc4566bis-25, number = {draft-ietf-mmusic-rfc4566bis-25}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-mmusic-rfc4566bis/25/}, author = {Ali C. Begen and Paul Kyzivat and Colin Perkins and Mark J. Handley}, title = {{SDP: Session Description Protocol}}, pagetotal = 58, year = 2018, month = feb, day = 18, abstract = {This memo defines the Session Description Protocol (SDP). SDP is intended for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation. This document obsoletes RFC 4566.}, }