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Wireless prepaid telephone system with dispensable intruments

  • US 6,149,353 A
  • Filed: 12/16/1999
  • Issued: 11/21/2000
  • Est. Priority Date: 06/19/1997
  • Status: Expired due to Fees
First Claim
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1. A process of wireless operation whereby a plurality of wireless telephone instruments with stored prepaid balances are interfaced with a public switched telephone network to communicate with other telephone terminals, comprising the steps:

  • establishing wireless telephonic communication with an active wireless telephone instrument;

    identifying the active wireless telephone instrument;

    testing the active wireless telephone instrument for calling approval;

    cueing the active wireless telephone instrument for spoken calling data signals to identify a called telephone terminal;

    selectively receiving and converting the spoken calling data signals to converted telephone dial up signals;

    bridging the active wireless telephone instrument through the public switched telephone network to the called telephone terminal for a dial-up connection in accordance with the converted telephone dial-up signals and communication between the active wireless telephone instrument and the called telephone terminal; and

    monitoring the communication between the active wireless telephone instrument and the called telephone terminal to reflect call charges in the stored prepaid balance for the active wireless telephone instrument.

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