Method and apparatus for verifying signaling and bearer...

Details Method and apparatus for verifying signaling and bearer... Method and apparatus for verifying signaling and bearer...

H - Electricity

04

M

H04M 3/22 (2006.01) H04L 12/26 (2006.01) H04L 12/66 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)

Patent

CA 2612706

A computer-implemented method and apparatus verifies integrity of a Voice over Internet Protocol (VoIP) virtual connection at an analog terminal adapter (ATA) at an edge of an Internet Protocol (IP) network. A VoIP transaction is initiated toward a cooperating test unit across the IP network, establishing a VoIP virtual circuit. The test unit responds by transmitting a digital representation of or information representing a test tone across the IP network to the ATA. By evaluating the test tone at the ATA, integrity of a bearer channel of the virtual circuit can be verified directly, and integrity of a signaling channel of the virtual circuit can be verified indirectly.

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