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Systems and methods for alternative routing of voice over IP originated emergency calls

  • US 8,554,168 B1
  • Filed: 02/16/2007
  • Issued: 10/08/2013
  • Est. Priority Date: 02/16/2007
  • Status: Expired due to Fees
First Claim
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1. A method for routing a Voice over Internet Protocol (VoIP) originated 911 call from a VoIP device of a caller using a VoIP service provider server, the method comprising:

  • the VoIP service provider server receiving a caller override signal from the VoIP device for overriding registered location information associated with a VoIP account of the caller, wherein the caller override signal is initiated by the VoIP device responsive to the VoIP device;

    displaying a geographical address on a display of the VoIP device, wherein the geographical address indicates the registered location information, providing a notification on the display that the 911 call from the VoIP device will be routed based on the geographical address, providing a selectable caller override option for overriding the routing of the 911 call based on the geographical address, and receiving a selection of the caller override option; and

    in response to the caller override signal;

    the VoIP service provider server performing an Internet Protocol (IP) geolocation measurement based on an originating IP address of the 911 call; and

    the VoIP service provider server routing the 911 call to a call center based on the results of the IP geolocation measurement, comprising;

    if the IP geolocation measurement of the VoIP service provider server returns partial geolocation data, the VoIP service provider server routing the 911 call to the call center associated with a highest resolution part of the geolocation data.

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