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Communication method, system, and device for reducing processor load at tariff switch

  • US 6,408,174 B1
  • Filed: 05/13/1997
  • Issued: 06/18/2002
  • Est. Priority Date: 05/13/1997
  • Status: Expired due to Fees
First Claim
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1. A communication system, comprising:

  • a fixed portion comprising;

    one or more control stations, each control station associated with a public switched telephone network (PSTN); and

    a mobile portion, comprising;

    one or more communication devices for exchanging communication signals with the one or more control stations, wherein tariff information, including a current tariff, a next tariff and a tariff switch time, is provided to the one or more communication devices from the one or more control stations at the initiation of a communication link, and the one or more communication devices calculate a total tariff associated with a communication link between the one or more communication devices and the one or more control stations based on the tariff information, and wherein further, information about the total tariffs calculated by the one or more communication devices is displayed by the one or more communication devices to respective users of the one or more communication devices.

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