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Cellular telephone billing management system

  • US 6,434,537 B1
  • Filed: 08/01/1994
  • Issued: 08/13/2002
  • Est. Priority Date: 10/04/1993
  • Status: Expired due to Term
First Claim
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1. A telephone billing management method for a cellular telephone system having at least one provider with a real-time node computer and a plurality of user phone terminals with display units, said method comprising the steps of:

  • preprogramming the provider'"'"'s real-time node computer to download cumulative current billing period information and transmit via cellular radio telecommunication channels said information to at least one of the user phone terminals during a two-way call signalling set-up period initiated by a user when beginning a current call; and

    downloading and transmitting from the provider'"'"'s real-time node computer said cumulative current billing period information to the user phone terminal during said two-way call set-up period via the cellular radio telecommunications channels, the user phone terminal being capable of displaying said current billing period information on the display unit.

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