Method and system of improved routing to WATS

Details Method and system of improved routing to WATS Method and system of improved routing to WATS

1995-11-27

1998-12-01

Hong, Harry S.

Telephonic communications

Plural exchange network or interconnection

Connection call model

379222, 379224, 379229, 379240, H04M 700

Patent

active

058449817

ABSTRACT:
A method and system of improved routing to WATS completes calls through a wide area telephone service using indirect routing. When a call is placed from a calling telephone station to a called telephone station, a telephone network attempts to route the call from the originating switch, on which the call entered the network, to a local exchange carrier serving the called station. If other routing paths in the network are unavailable or unsuccessful, a network processor recommends a routing from the originating switch to the local exchange carrier through a tandem switch and the WATS line of another telephone network. This capability provides a reduced incidence of blocked calls, such as may result from telecommunications system outages.

REFERENCES:
patent: 4756019 (1988-07-01), Szybicki
patent: 4782519 (1988-11-01), Patel et al.
patent: 4866763 (1989-09-01), Cooper et al.
patent: 5058105 (1991-10-01), Mansour et al.
patent: 5526414 (1996-06-01), Bedard et al.

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