Financial card authorization system

Details Financial card authorization system Financial card authorization system

1995-07-25

1997-04-08

Woo, Stella

Telephonic communications

Telephone line or system combined with diverse electrical...

Credit authorization

379 93, H04M 1100

Patent

active

056195591

ABSTRACT:
A credit card authorization network which takes advantage of an all digital system to eliminate the need for analog to digital signal conversion. This allows for faster response time as well as reduced telephone charges. A credit card company may operate as an interexchange customer providing trunk protocol executing network access system devices at a Feature Group B access facility.

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patent: 5113430 (1992-05-01), Richardson, Jr. et al.
patent: 5163086 (1992-11-01), Ahearn et al.
patent: 5220501 (1993-06-01), Lawlor et al.
patent: 5307402 (1994-04-01), Cooper
patent: 5315641 (1994-05-01), Montgomery et al.

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