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Automated interactive telephone communication system for TDD users

  • US 5,253,285 A
  • Filed: 05/22/1992
  • Issued: 10/12/1993
  • Est. Priority Date: 12/13/1990
  • Status: Expired due to Term
First Claim
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1. An automated interactive telephone communication system for connection to a two-way telephone subscriber network for automated processing of communication signals from an individual caller communicating therewith over a telephone subscriber network with a TDD ( telecommunications device for the deaf) device coupled to said network, said system comprising:

  • means for receiving communication signals from said caller'"'"'s TDD;

    a computer database containing a plurality of separately addressed, digitally encoded TDD displayable messages, at least one of said messages having an associated TDD mode character;

    means for processing a received communication signal according to a predefined control matrix, said processing means including means for retrieving one of said separately addressed TDD displayable messages for transmission to said caller'"'"'s TDD; and

    means for transmitting said retrieved TDD displayable message to said caller'"'"'s TDD for display, wherein when said retrieved TDD displayable message comprises said at least one message having said associated TDD mode character, said associated TDD mode character precedes said at least one message and places said caller'"'"'s TDD in a proper receiving mode for said at least one message to be displayed.

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