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Use of identification codes in the handling and management of communications

  • US 7,197,640 B2
  • Filed: 05/09/2002
  • Issued: 03/27/2007
  • Est. Priority Date: 08/10/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a query based on a first communication addressed to an intended recipient, the query including a validation code and a first identification code both of which are extracted from the first communication, the first identification code being associated with a particular entity;

    receiving from the particular entity a second communication that includes the validation code and the first identification code;

    verifying whether the first communication was sent by the same entity that sent the second communication; and

    providing an indication, in reply to the query, of whether the first communication was sent by the particular entity associated with the first identification code.

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