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Method and system for restricting mobility using unique encrypted chargers

  • US 20030039360A1
  • Filed: 08/21/2001
  • Published: 02/27/2003
  • Est. Priority Date: 08/21/2001
  • Status: Abandoned Application
First Claim
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1. A method for enabling a mobile apparatus for call processing, the method comprising:

  • encrypting a random number at the mobile apparatus;

    sending the random number from the mobile apparatus to a charging apparatus;

    encrypting the random number at the charging apparatus;

    receiving at the mobile apparatus the encrypted random number from the charging apparatus; and

    enabling the mobile apparatus based on a comparison of the encrypted random number at the mobile apparatus with the encrypted random number received from the charging apparatus.

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