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System and method for voice and data over digital wireless cellular system

  • US 20020001317A1
  • Filed: 02/16/2001
  • Published: 01/03/2002
  • Est. Priority Date: 02/18/2000
  • Status: Abandoned Application
First Claim
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1. A method of combining voice and data for transmission during a single digital wireless telephone call, comprising the steps of:

  • establishing a circuit-switched data call connection from a mobile phone to a destination;

    routing the call through a pair of modems connected in-line with the call connection path;

    multiplexing non-voice digital data with vocoded voice digital data to form a multiplexed digital data stream; and

    sending the multiplexed digital data stream from the mobile phone to the destination through the pair of modems.

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