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Method and system for using a network-provided location for voice-over-packet emergency services calls

  • US 7,602,886 B1
  • Filed: 07/20/2005
  • Issued: 10/13/2009
  • Est. Priority Date: 07/20/2005
  • Status: Active Grant
First Claim
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1. A method for emergency services call routing, said method comprising:

  • receiving from a client device, via a voice-over-packet (VoP) access network, a message requesting an emergency services call, said message including a client-provided location of said client device;

    obtaining from said VoP access network a network-provided location of said client device;

    determining whether said network-provided location and said client-provided location are consistent;

    determining an appropriate public safety answering point (PSAP), from among a plurality of PSAPs, based on at least one of said network-provided location and said client-provided location; and

    routing said emergency services call to said appropriate PSAP.

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