Fraud prevention system and process for cellular mobile telephone networks
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United States of America Patent
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-
Aug 2, 1994
Grant Date -
N/A
app pub date -
Dec 31, 1991
filing date -
Dec 31, 1991
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved mobile telephone system, including a process and apparatus for detecting fraudulent requests for roamer cellular telephone services before the requested service is granted. The improvement comprises a distributed, readily updatable fraud prevention processor which facilitates a plurality of independent, geographically dispersed cooperating cellular networks to each locally determine if a roamer request for service is from a valid, currently authorized user subscriber before cellular telephone service is provided by the visited cellular network.
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