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Integrated voice and data telephone system

  • US 4,932,022 A
  • Filed: 03/20/1989
  • Issued: 06/05/1990
  • Est. Priority Date: 10/07/1987
  • Status: Expired due to Term
First Claim
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1. A telephone station set for use in a business communication system, said telephone station set comprisingmeans connected in common to a pair of telephone subscriber lines for transmitting and receiving simultaneous multiplexed digital voice and data information only on said subscriber lines to thereby permit simultaneous voice and data communication,softkey-selectible menu-driven display means for displaying a plurality of interactive changeable functions,means responsive to a soft key-selected one of said displayed menu functinos for enabling said selected menu function, said display means including a first display portion for displaying a first line of characters identifying information and prompts relating to a particular telephone call and a second different display portion for displaying a second line of characters representative of a plurality of changeable menu functions, each of which correspond to a particular selected one of said softkey function keys during a respective stage of the particular telephone call.

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