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Method and system for authentication of units in a communications network

  • US 7,020,456 B2
  • Filed: 12/07/2001
  • Issued: 03/28/2006
  • Est. Priority Date: 12/08/2000
  • Status: Active Grant
First Claim
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1. A method of granting, to a user communications device, access to a service provided by a plurality of service communications devices, the method comprising the steps ofinitiating a first communications link between the user communications device and a first one of the plurality of service communications devices;

  • generating an access key code;

    storing a first data item in a first storage means of the user communications device, the first data item indicating the access key code;

    characterised in that the access key code is indicative of the user communications device and the service; and

    the method further comprises the steps of making the access key code available to at least a second one of the plurality of service communications devices via a communications network;

    initiating a second communications link between the user communications device and the second service communications device; and

    using the access key code to mutually authenticate the user communications device and the second service communications device.

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