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Methods and apparatus for enhancing wireless data network telephony, including quality of service monitoring and control

  • US 6,795,406 B2
  • Filed: 09/17/2001
  • Issued: 09/21/2004
  • Est. Priority Date: 07/12/1999
  • Status: Expired
First Claim
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1. A hand-held 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 communication interface comprising circuitry for receiving and sending the audio data on a cell-phone network as Data Network Telephony (DNT) packets; and

    circuitry including Digital Signal Processor (DSP) recognizing human speech and processing audio data for DNT calls, the circuitry prioritizing DNT data over any other data when transmitting on the cell-phone network, allowing substantially only human speech to be prepared as DNT packets for transmission.

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