Prepaid smart card in a GSM based wireless telephone network and method for operating prepaid cards
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United States of America Patent
Stats
-
Jun 22, 1999
Grant Date -
N/A
app pub date -
Apr 19, 1996
filing date -
Apr 19, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a prepaid smart card to be used in a wireless telephone network, and methods for prepaying for wireless telephone services, as well as systems for operating a wireless telephone network with prepaid smart cards. The cards, methods and systems permit the use of wireless telephones anonymously, and/or the payment by a user without having a subscription. The invention requires minimal changes to the existing wireless telephone and wireless telephone network, yet provides security against abuse or fraudulent use of the telephone system. Additionally, promotional material may be provided with the prepayments, and persons may prepay into a subscriber's telephone.
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