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Wireless communication device with automatic destination telephone number validity checking

  • US 6,256,516 B1
  • Filed: 09/24/1999
  • Issued: 07/03/2001
  • Est. Priority Date: 09/26/1997
  • Status: Expired due to Term
First Claim
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1. In a wireless hand-held telephone communication device, a method of processing outgoing telephone calls, the method comprising the steps of:

  • receiving user inputs for initiating an outgoing call, the user inputs specifying a destination telephone number of a party to be called;

    in response to the user inputs, automatically referencing the destination telephone number against a profile of the party to be called to determine whether the destination telephone number is currently appropriate for the party to be called; and

    outputting a message to the user of the device according to whether the destination telephone number is determined to be currently appropriate for the party to be called, wherein said outputting comprises outputting an alternate telephone number for the party to be called if the destination telephone number is determined not to be currently appropriate for the party to be called.

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