Security cellular telecommunications system

Details Security cellular telecommunications system Security cellular telecommunications system

1994-12-23

1998-02-24

Bost, Dwayne

Telecommunications

Radiotelephone system

Usage measurement

455408, 455415, 379114, 379127, H04Q 720

Patent

active

057220670

ABSTRACT:
A cellular telecommunications system having a security feature which allows only pre-authorized users no complete cellular telephone calls. The system and method recognizes a cellular radiotelephone's pre-programmed a pre-selected telephone number and a automated number identification code (ANI). The pre-selected telephone number is reserved to the pre-paid cellular telecommunications system. The cellular radiotelephone transmits the ANI and a dialed number identification system code (DNIS) to a cellular switch, which contacts a host computer for call validation the pre-paid service provider.

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AT&T Technical Journal, Summer 1991; pp. 11-25, 44-57, and 72-84.
Proceedings of the IEEE, vol. 79, No. 1, Jan. 1991; pp. 7-20.

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