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Targeted disaster warning system and apparatus

  • US 6,594,345 B1
  • Filed: 09/30/1999
  • Issued: 07/15/2003
  • Est. Priority Date: 09/30/1999
  • Status: Expired due to Term
First Claim
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1. A method for providing warnings to telephone subscribers in a pre-determined geographic area comprising the steps of:

  • assigning a first telephone number to a disaster type, wherein the first telephone number corresponds to a specific type of disaster;

    receiving information related to a disaster and a target geographic area;

    querying a database for a second telephone number having an address within the target geographic area, wherein the second telephone number has a calling number delivery subscription;

    sending a call setup message from a specialized service node to a service switching point, wherein the first telephone number corresponds to a specific type of disaster, and is in a calling party field and the second telephone number is in a called party field;

    waiting a pre-determined amount of time; and

    thereafter, sending a call release message from the specialized service node to the service switching point.

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