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Methods and apparatus for restricting access of a user using a cellular telephone

  • US 7,715,823 B2
  • Filed: 09/20/2006
  • Issued: 05/11/2010
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Fees
First Claim
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1. An access control method for restricting access of a user to a restricted item, the method comprising the steps of:

  • providing a token to the user using a first communication channel;

    instructing the user to dial an access control administrator and enter the provided token into a cellular telephone that has been previously associated with the user;

    providing an amount for approval to the access control administrator; and

    providing access to the user if the entered token matches the provided token and is received via a wireless connection from a cellular telephone having a serial number previously associated with the user, wherein one or more of the steps are performed by a processor.

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