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

  • US 20050251445A1
  • Filed: 12/15/2004
  • Published: 11/10/2005
  • Est. Priority Date: 05/04/2004
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • allocating a telephone number to an advertisement; and

    if the telephone number is not called for a predefined period of time, unallocating the telephone number to make the telephone number available to be assigned to a second advertisement.

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