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Mobile telephone system and method for carrying out financial transactions using a mobile telephone system

  • US 6,169,890 B1
  • Filed: 10/12/1995
  • Issued: 01/02/2001
  • Est. Priority Date: 11/11/1992
  • Status: Expired due to Term
First Claim
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1. A method for using telecommunications services to carry out financial transactions by a mobile telephone system comprisinga mobile telephone exchange for coupling connections;

  • a data terminal equipment (1) comprising a service card (2) which contains an intellegence part;

    a desired service provider (13); and

    an authentication center (5), the method comprising of requesting entry of a personal identity code of a user;

    accepting entry of the personal identity code of the user to the data terminal equipment (1);

    verifying validity of the personal identity code;

    establishing a connection between the mobile telephone exchange and the data terminal equipment (1);

    in response to the valid personal identity code;

    authenticating the user of the mobile telephone system in the authentication center (5) by means of the personal identity code and data from the intelligence part of the service card by performing the steps of;

    authenticating the user locally in te authentication center (5) to verify his rights to use the service of the desired service provider (13);

    connecting the user to the desired service provider (13) via dedicated network (6), whereby the connection between the data terminal equipment (1) and the desired service provider (13) is a secure connection.

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