Methods and apparatus to verify the identity of a cellular mobil

Details Methods and apparatus to verify the identity of a cellular mobil Methods and apparatus to verify the identity of a cellular mobil

1993-12-28

1995-10-10

Chan, Wing F.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 63, 379 58, 379 59, 455 531, H04Q 722, H04M 1100

Patent

active

054577373

ABSTRACT:
A wireless-based communications system is provided with a method and apparatus for automatic verification of the identity of a mobile phone user in order to eliminate cellular piracy. A first embodiment implements a memory-based verification and a second embodiment implements an algorithm-based verification to reduce memory space requirements. The call is allowed when verification passes and is disallowed when verification fails.

REFERENCES:
patent: 4626845 (1986-12-01), Ley
patent: 4955049 (1990-09-01), Ghisler
patent: 4964163 (1990-10-01), Berry
patent: 5077790 (1991-12-01), D'Amico et al.
patent: 5091942 (1992-02-01), Dent
patent: 5239294 (1993-08-01), Flanders et al.
patent: 5293576 (1994-03-01), Mihm, Jr. et al.

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