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TELECOMMUNICATION SYSTEM FOR AUTOMATICALLY LOCATING BY NETWORK CONNECTION AND SELECTIVELY DELIVERING CALLS TO MOBILE CLIENT DEVICES

  • US 20140247823A1
  • Filed: 05/15/2014
  • Published: 09/04/2014
  • Est. Priority Date: 02/22/1999
  • Status: Active Grant
First Claim
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1. A dual-mode communication device, comprising:

  • microphone and speaker apparatus including converters for rendering audio data as audible speech, and for rendering audible speech as audio data;

    a first communication interface comprising circuitry for receiving and sending the audio data on a cell-phone network; and

    a second communication interface comprising circuitry for connecting to a local area network (LAN), and for receiving and sending the audio data on the LAN.

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