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MBus Extensions

MBus Extensions. Rohan Mahy rohan@cisco.com. draft-mahy-mmusic-mbus-sdp. Proposes way to setup an mbus control session in SDP Bootstraps Mbus session between SIP devices which may be geographically close, but not topologically close Solves discovery and keying problem

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MBus Extensions

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  1. MBus Extensions • Rohan Mahy • rohan@cisco.com

  2. draft-mahy-mmusic-mbus-sdp • Proposes way to setup an mbus control session in SDP • Bootstraps Mbus session between SIP devices which may be geographically close, but not topologically close • Solves discovery and keying problem • Works with existing NAT/FW traversal techniques (ex: STUN/TURN) • Does not solve congestion problem

  3. draft-mahy-mmusic-remotecc • draft-ietf-mmusic-mbus-call-control was WG item, but expired long ago. • Propose split between call control verbs and call control notifications • Propose re-factoring of call control verbs • make-call (sends an INVITE) end-call (sends a BYE, CANCEL, or 603) accept (accepts an incoming call) alert (returns a 180 Ringing provisional response) ? reject (reject an incoming call with a specific response/reason) move (redirect or single-step transfer to a specific target URI) complete-transfer (replace two active/held calls with one) hold (invoke the locally defined hold mechanism) retrieve (retrieve a call from hold) join (merge two calls into one conference) add-party (add a party to a conference) drop-party (remove a party from a conference)

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