Call routing system and method with rule-modifying ability

Details Call routing system and method with rule-modifying ability Call routing system and method with rule-modifying ability

2006-05-09

2006-05-09

Bui, Bing Q. (Department: 2642)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S221010, C379S272000, C379S273000

Reexamination Certificate

active

07042998

ABSTRACT:
A method and system is provided wherein routing information is obtained from previously cached information or from a gatekeeper. An originating gateway in a network receives a request for a connection and determines whether pertinent routing information is cached. If available, the cached routing is used to attempt to establish a connection. If no previously established routing is available, the originating gateway requests preferred routing from a gatekeeper, including prioritized selections of terminating gateways through which to make a connection to a designated call recipient. In a further embodiment of the invention, a process is provided to respond to a complaint regarding the quality of service. The system determines whether the reported problem is general or isolated; if it is general, alternate call routing is devised.

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