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Telecommunication device and method for interactive voice and data

  • US 5,592,538 A
  • Filed: 03/10/1993
  • Issued: 01/07/1997
  • Est. Priority Date: 03/10/1993
  • Status: Expired due to Fees
First Claim
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1. An interactive voice and data response (IVD) system for alternately effecting voice communication and data communication between an IVD host system and an IVD subscriber system over a public switched telephone network (PSTN) having a plurality of subscriber loops, comprising:

  • the IVD subscriber system havingmeans for connecting the subscriber system to a PSTN subscriber loop;

    means for selectively connecting the subscriber system to a voice communication means;

    means for performing data communications, operatively connected to the means for connecting the subscriber system to the PSTN subscriber loop;

    means for displaying data messages received by the means for performing data communications;

    means for receiving dual-tone multi-frequency (DTMF) signals from the voice communication means, connected to the means for selectively connecting;

    means for controlling subscriber system operation, including means for causing the means for selectively connecting to connect the subscriber system to the voice communication means when voice communication occurs, means for causing the means for selectively connecting to disconnect the subscriber system from the voice communication means when data communication occurs, means for creating data messages for sending by the means for performing data communications, means for encoding received DTMF signals as a response data message, operatively connected to the means for receiving DTMF signals, and means for transferring the response data message to the means for performing data communications to the IVD host system; and

    the IVD host system for automatically recognizing the IVD subscriber system and performing data communication therewith and for performing voice communication when the IVD subscriber system is not recognized.

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