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Switch device adapted to interface between an incoming telephone line and an internal telephone system

  • US 5,056,132 A
  • Filed: 07/25/1989
  • Issued: 10/08/1991
  • Est. Priority Date: 07/25/1989
  • Status: Expired due to Fees
First Claim
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1. A switch device adapted to interface between an incoming telephone line and an internal telephone system which includes a telephone, a facsimile machine and an auxiliary device, said switch device for receiving an incoming communication over the incoming telephone line, including:

  • a) connector means for connecting said switch device to the incoming telephone line for receiving the incoming communication;

    b) ring detector means connected to said connector means for detecting a ring signal of the incoming communication;

    c) a central processing unit, connected to and being alerted by said ring detector means, for initiating a program for answering the incoming communication;

    d) a voice synthesis circuit, responsive to said central processing unit, for identifying the internal telephone system to a caller and requesting a code from the caller which identifies the incoming communication;

    e) code detection means for receiving said code and for classifying the incoming communication based on said code, said code detection means includes default means for defaulting to a preselected one of the telephone, the facsimile machine and the auxiliary device should the caller fail to provide a proper code thereby assuring that no incoming communication will be lost;

    f) means for programming the default means to default to the preselected one of the telephone, facsimile machine or the auxiliary device;

    g) means for ringing one of the telephone, the facsimile machine or the auxiliary device of the internal telephone system in accordance with the classification of the incoming communication; and

    h) means for blocking out access to the other two of the internal telephone system.

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