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Phone line supervisory controls

  • US 7,440,562 B2
  • Filed: 08/30/2007
  • Issued: 10/21/2008
  • Est. Priority Date: 12/22/2004
  • Status: Active Grant
First Claim
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1. A method for controlling use of a telephone line, the method comprising:

  • receiving a specification from a first entity of one or more entities with whom communications over a controlled telephone line are controlled for a second entity;

    receiving a call initiation request from a third entity over the controlled telephone line to the second entity;

    in response to the call initiation request, determining if the third entity is one of the specified entities with whom communications over the controlled telephone line are controlled; and

    controlling the communications between the second entity and the third entity conditioned on the third entity being determined to be one of the entities with whom communications are controlled for the second entity.

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