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System and method of routing emergency services calls in a radio telecommunications network

  • US 6,128,481 A
  • Filed: 10/22/1997
  • Issued: 10/03/2000
  • Est. Priority Date: 10/22/1997
  • Status: Expired due to Term
First Claim
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1. A method of routing an emergency services call from a mobile station to a selected Public Safety Answering Point (PSAP) in a radio telecommunications network, said method comprising the steps of:

  • intelligently selecting the PSAP from a plurality of PSAPs;

    sending an alert signal to the selected PSAP prior to routing the call to the selected PSAP, said alert signal warning the PSAP that the emergency services call is coming and providing the PSAP with advanced information regarding the context of the call; and

    routing the call to the selected PSAP.

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