%% You should probably cite rfc8843 instead of this I-D. @techreport{ietf-mmusic-sdp-bundle-negotiation-06, number = {draft-ietf-mmusic-sdp-bundle-negotiation-06}, 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-sdp-bundle-negotiation/06/}, author = {Christer Holmberg and Harald T. Alvestrand and Cullen Fluffy Jennings}, title = {{Multiplexing Negotiation Using Session Description Protocol (SDP) Port Numbers}}, pagetotal = 38, year = 2014, month = apr, day = 7, abstract = {This specification defines a new SDP Grouping Framework extension, "BUNDLE", that can be used with the Session Description Protocol (SDP) Offer/Answer mechanism to negotiate the usage of bundled media, which refers to the usage of a single 5-tuple for sending and receiving media associated with multiple SDP media descriptions ("m=" lines). This specification also updates sections 5.1, 8.1 and 8.2 of RFC 3264, in order to allow an answerer to in an SDP answer assign a non- zero port value to an "m=" line, even if the offerer in the associated SDP offer had assigned a zero port value to the "m=" line.}, }