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Wireless prepaid payphone system and cost control application

  • US 20040023636A1
  • Filed: 07/31/2002
  • Published: 02/05/2004
  • Est. Priority Date: 07/31/2002
  • Status: Abandoned Application
First Claim
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1. A prepaid payphone system for providing payphone service in a communications network, comprising:

  • a prepaid server containing information representing a prepaid amount of communications network use corresponding to a user, said prepaid server including a payphone interface;

    wherein the prepaid server is configured to calculate an amount due for a call; and

    wherein said payphone interface is configured to output the amount due to the user in real time.

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