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Method and system for updating physical location information

  • US 9,826,091 B1
  • Filed: 12/28/2016
  • Issued: 11/21/2017
  • Est. Priority Date: 03/20/2006
  • Status: Active Grant
First Claim
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1. A Voice over Internet Protocol (VoIP) device comprising:

  • processing circuitry configured and arranged to;

    store identifiers corresponding to packet-based communication devices through which the VoIP device communicates; and

    in response to power sensing circuitry detecting a power state transition for the VoIP device, output a determination whether a physical location update is appropriate by;

    comparing a first stored identifier and a second stored identifier, corresponding to a packet-based communication device through which the VoIP device communicated before the detected power state transition and after the detected power state transition, respectively; and

    output the determination based on the comparison of the first stored identifier and the second stored identifier.

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