Signaling protocol for controlling voice calls in a packet switching network
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United States of America Patent
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Dec 2, 2003
Issued Date -
N/A
app pub date -
Jun 30, 1999
filing date -
Sep 30, 1998
priority date (Note) -
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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 encapsulates the signaling data in accordance with a common signaling protocol, and transmits the message to 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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