Authorized cellular telephone communication payment refill syste

Details Authorized cellular telephone communication payment refill syste Authorized cellular telephone communication payment refill syste

1995-12-22

1998-04-14

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 25, H04L 900

Patent

active

057402477

ABSTRACT:
This invention overcomes the disadvantages of the prior art by providing cellular telecommunications systems that utilize encryption and employ encrypted seed number signals to enable various payment plans for access and payment.

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