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Phone line supervisory controls

  • US 7,289,617 B2
  • Filed: 12/22/2004
  • Issued: 10/30/2007
  • Est. Priority Date: 12/22/2004
  • Status: Active Grant
First Claim
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1. A method of interrupting telephone calls, the method comprising:

  • receiving specification from a first user that defines telephone line controllers whose calls are enabled to interrupt other calls on a controlled telephone line;

    operating a telephone call on the controlled telephone line that does not involve one of the telephone line controllers;

    receiving a telephone call to the controlled telephone line while the controlled telephone line is busy with the operated call;

    determining whether the received call was placed by one of the telephone line controllers; and

    enabling the received call to interrupt the operated call when the received call is from one of the telephone line controllers.

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