H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 1/20 (2006.01) H04L 12/26 (2006.01) H04L 12/56 (2006.01)
Patent
CA 2267034
A communication system typically comprises a number of interconnected broadband-narrowband interfaces (304, 402-404) that together interact to provide a communication resource (400) that can support a call across the system. At a time when the communication resource (or a portion thereof) is apparently in place, a terminating node of a broadband- narrowband interface sends a verify-request message (452) backwards across the communication resource. A connection broker (322), coupled to both ends of the communication resource in a particular broadband- narrowband interface (404), is aware of the issuance of the verify- request message, and is therefore able to assess and report, principally, on path connectivity of the communication resource (either within the broadband-narrowband interface or between adjacent interfaces). More particularly, the connection broker expects the arrival of a path connectivity message (454, 460) issued from an end of the broadband- narrowband network responsive to the verify-request message and, as such, can provide an appropriate report (458, 470, 480) upon the timely receipt, or not, of the path connectivity message. Indeed, the verify- request message may also function to confirm path continuity.
Brueckheimer Simon Daniel
Cable Julian Frank Barry
Mauger Roy Harold
Nortel Networks Limited
Northern Telecom Limited
Smart & Biggar
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