Anti-fraud cellular security system

Details Anti-fraud cellular security system Anti-fraud cellular security system

1995-06-23

1998-06-23

Bost, Dwayne

Telecommunications

Radiotelephone system

Security or fraud prevention

455411, 380 23, 34082534, H04Q 700

Patent

active

057714460

ABSTRACT:
A method and apparatus using a PIN number for preventing theft of cellular telephone service is disclosed. The PIN is requested silently by a visual display panel and entered silently by recalling the number from memory. The PIN number is transmitted as a hookflash message during each call at a limited, variable delay after the mobile unit switches to the voice channel and the cell site requests the PIN number by pressing a single key. This one-touch PIN transmission is also compatible with one-touch dialing, automated mail access, and linked number operations.

REFERENCES:
patent: 4612419 (1986-09-01), Smith
patent: 5179719 (1993-01-01), Waldman
patent: 5343519 (1994-08-01), Feldman
patent: 5384825 (1995-01-01), Dillard et al.
patent: 5402481 (1995-03-01), Waldman
patent: 5414750 (1995-05-01), Bhagat et al.
patent: 5561705 (1996-10-01), Allard et al.
patent: 5583933 (1996-12-01), Mark

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