Conversational bearer negotiation

Details Conversational bearer negotiation Conversational bearer negotiation

2004-06-16

2008-11-11

Nguyen, Quynh H (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S354000, C370S356000

Reexamination Certificate

active

07450565

ABSTRACT:
A method of setting up a call between first and second nodes of a communication system when the call extends across a circuit switched access network and a packet switched backbone network interconnected by a Media Gateway. A control node obtains from a Home Subscriber Server, the identity of a Media Gateway Control Function controlling that Media Gateway which will terminate the call within the circuit switched access network. The first node calls an access number notified to it by the Media Gateway Control Function, and as part of the call setup procedure, the identity of the Media Gateway selected to terminate the call is communicated to the second node.

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patent: WO 03/001836 (2003-01-01), None

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