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SURVEILLANCE DEVICE DETECTION WITH COUNTERMEASURES

  • US 20100008477A1
  • Filed: 06/29/2009
  • Published: 01/14/2010
  • Est. Priority Date: 06/27/2008
  • Status: Active Grant
First Claim
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1. An apparatus for detecting surveillance devices on a telephone line comprising:

  • a case having at least one line input, at least one line output, a communications output, and a controller;

    the controller having a central processing unit and a memory storage and configured to;

    (a) instruct a test signal to be transmitted to at least one user-selectable line;

    (b) compare a test signal response from one of the user-selectable lines with a baseline signal response;

    (c) report a change in the line state of one of the user-selectable lines when the difference between the test signal response and the baseline signal response exceeds a threshold; and

    (d) issue a countermeasure based upon countermeasure settings.

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