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Location system and method for assisting emergency services in identifying the physical location of an IP telephony user

  • US 8,937,951 B2
  • Filed: 09/23/2011
  • Issued: 01/20/2015
  • Est. Priority Date: 07/13/2007
  • Status: Expired due to Fees
First Claim
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1. A location device for associating a physical location with a communications device, the communications device configured for having an assigned device identification and configured for using an assigned network address for use in routing call data over a communications network, the location device comprising:

  • a memory for storing location information related to the physical location;

    a device port for coupling to the communications device and a network port for coupling to the communications network, the ports configured for communicating the call data between the ports;

    a monitoring module configured for monitoring operation of at least one of the ports for detecting an initialization process of the communications device as a new or reconnected communications device connected to the device port and for identifying the assigned device identification; and

    a location registration module configured for being active only during the initialization process and after which going into sleep mode, and further configured while active for communicating a location update message over the communications network via the network port in response to the detected initialization process, the location update message including the location information and the identified device identification.

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