Automatic authentication system

Telecommunications – Radiotelephone system – Security or fraud prevention

Patent

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Details

455406, 455564, 379199, 379188, 379196, H04M 1100, H04M 300

Patent

active

057377014

ABSTRACT:
A communications system is designed to exempt communications services users, such as wireless communications subscribers and calling card callers, from entering an authentication code for calls directed to pre-selected destination numbers, notwithstanding the authentication code entry requirement implemented by the communications services provider for all other calls.

REFERENCES:
patent: 4860341 (1989-08-01), D'Avello
patent: 4893330 (1990-01-01), Franco
patent: 5357564 (1994-10-01), Gupta
patent: 5388148 (1995-02-01), Seiderman
patent: 5450479 (1995-09-01), Alesio
patent: 5479494 (1995-12-01), Clitherow
patent: 5495521 (1996-02-01), Rangachar
patent: 5557654 (1996-09-01), Maenpaa
patent: 5566234 (1996-10-01), Reed

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