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Method and apparatus to allocate and recycle telephone numbers in a call-tracking system

  • US 8,200,534 B2
  • Filed: 02/05/2008
  • Issued: 06/12/2012
  • Est. Priority Date: 05/04/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • allocating, using a computing device, a telephonic reference to an advertisement of a first advertiser for presentation to a first user;

    receiving, using the computing device, a first call to the telephonic reference from a first user device associated with the first user while the telephonic reference is allocated to the advertisement of the first advertiser;

    re-allocating, using the computing device, the telephonic reference to an advertisement of a second advertiser;

    responsive to a second call to the telephonic reference after the advertisement of the second advertiser is presented with the telephonic reference, determining, using the computing device, if the second call is from the first user device;

    if the second call is from the first user device, connecting the second call to the first advertiser; and

    if the second call is not from the first user device, connecting the second call to the second advertiser.

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