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Methods and Apparatuses to Track Keywords for Establish Communication Links

  • US 20070121848A1
  • Filed: 11/14/2006
  • Published: 05/31/2007
  • Est. Priority Date: 10/06/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • selecting an advertisement based on a condition;

    providing a reference for presentation with the advertisement, the reference to identify the condition and the advertisement; and

    charging an advertisement fee in response to a call via the reference for a real time communication session.

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