Multiplexing Negotiation Using Session Description Protocol (SDP) Port Numbers

Document Type Replaced Internet-Draft (individual)
Last updated 2012-10-10 (latest revision 2011-10-19)
Replaced by draft-ietf-mmusic-sdp-bundle-negotiation
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification defines a new SDP Grouping Framework 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 media associated with multiple SDP media descriptions ("m=" lines).


Christer Holmberg (
Harald Alvestrand (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)