System using a signaling protocol for controlling voice...

Details System using a signaling protocol for controlling voice... System using a signaling protocol for controlling voice...

2008-05-06

2008-05-06

Chan, Wing (Department: 2619)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S356000

Reexamination Certificate

active

07369545

ABSTRACT:
Communicating voice over a packet-switching network is implemented on a telecommunications network that includes the packet-switching network, two coding units coupled to the packet-switching network and two signaling apparatuses. Signaling data for establishing the voice call is received by an originating signaling apparatus, which generates a message that encapsulates the signaling data in accordance with a common signaling protocol, and transmits the message to a destination signaling apparatus. The message, in accordance with the common signaling protocol, includes a call identifier that uniquely identifies the voice within the packet-switching network, the network address of a signaling apparatus, and/or a connection descriptor for a coding unit.

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