Method of reducing risk that calls are blocked by egress switch

Details Method of reducing risk that calls are blocked by egress switch Method of reducing risk that calls are blocked by egress switch

1996-12-31

1998-11-17

Kuntz, Curtis A.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of centralized switching system

379134, 379220, 379221, 379224, H04M 124, H04M 308, H04M 322

Patent

active

058387692

ABSTRACT:
The instant invention provides a number of approaches in which a virtual homing to overcome outages can be achieved whereby a single terminating destination or an egress node can be formed from multiple terminating switches that would allow the network to route calls based on the capacity, economics or survivability of those switches to accept the call. A first network processor (NP) approach includes a number of methods that relies on the processor of the dynamic control routing (DCR) network, and the switch based routing that directs a call to the appropriate terminating node. A second approach of the instant invention is based on the data access point (DAP) of the network. This DAP approach utilizes the intelligence of the network and requires that all call queries be directed to the DAP for locating the appropriate terminating switch for routing the call.

REFERENCES:
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patent: 5375167 (1994-12-01), Bales et al.
patent: 5377262 (1994-12-01), Bales et al.
patent: 5526414 (1996-06-01), Bedard et al.
patent: 5537392 (1996-07-01), Wille et al.
patent: 5544154 (1996-08-01), Glitho
patent: 5583848 (1996-12-01), Glitho

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