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Geographic routing of emergency service call center emergency calls

  • US 6,771,742 B2
  • Filed: 10/21/2002
  • Issued: 08/03/2004
  • Est. Priority Date: 11/05/2001
  • Status: Expired due to Term
First Claim
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1. A method for routing emergency signals from a remote source, comprising:

  • generating in a communication device a signal requesting a response from an emergency service provider;

    receiving from a public switched telephone network said signal requesting a response from an emergency service provider at an emergency service call center;

    associating said communication device with a geographic location;

    querying an emergency services complex for information related to an emergency service zone corresponding to said geographic location of said communication device;

    selecting an emergency services routing number, wherein said emergency services routing number comprises a telephone number designating a switch included in an emergency services network;

    selecting an emergency services query key, wherein said emergency services query key comprises an identifier;

    routing a telephone call from said emergency service call center to a public safety answering point; and

    querying said emergency services complex for information related to said communication device using said emergency services query key, wherein said information related to said communication device is returned to said public safety answering point.

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