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Toll-free directory assistance with automatic selection of an advertisement from a category

  • US 8,175,231 B2
  • Filed: 03/23/2007
  • Issued: 05/08/2012
  • Est. Priority Date: 05/31/2002
  • Status: Active Grant
First Claim
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1. A method for providing directory assistance information in a public telecommunication network accessed by a directory assistance number, the method comprising:

  • at a call processing station;

    setting up a call between the call processing station and a customer station who dialed the directory assistance number to access the call processing station;

    receiving a request for directory assistance information from the customer station relating to a telephone number for a specific provider of goods or services;

    examining the request for directory assistance information to select a telephone number of the specific provider of goods or services to provide to the customer station;

    automatically selecting an advertisement categorized within a category associated with the specific provider of goods or services based on the selected telephone number; and

    forwarding the selected advertisement from a database to the customer station.

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