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Methods, systems, and computer program products for emergency 911 (E911) registration assistance for subscribers using portable internet protocol (IP) communications devices

  • US 20070104183A1
  • Filed: 11/04/2005
  • Published: 05/10/2007
  • Est. Priority Date: 11/04/2005
  • Status: Active Grant
First Claim
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1. A method for providing emergency 911 (E911) registration assistance for a portable Internet Protocol (IP) communications device, the method comprising:

  • (a) storing an IP address of a portable IP communications device;

    (b) receiving a registration message indicating an IP address of the portable IP communications device;

    (c) determining whether a difference between the stored IP address and the received IP address indicated by the registration message indicates a change in geographic location of the portable IP communications device; and

    (d) in response to determining that the difference between the stored IP address and the IP address indicated by the received message indicates a change in geographic location of the portable IP communications device, prompting a subscriber to update stored geographic location information for providing E911 service to the subscriber.

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