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Data terminal, data distribution system, and internet telephone system

  • US 6,769,020 B2
  • Filed: 12/21/2000
  • Issued: 07/27/2004
  • Est. Priority Date: 12/24/1999
  • Status: Expired due to Fees
First Claim
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1. A service data communication system comprising:

  • a line exchange network;

    data terminals each comprising a network interface for coupling to the line exchange network;

    a public telephone terminal;

    a data communication network;

    an inter-network link apparatus for connecting between the line exchange network and the data communication network;

    a service data provider apparatus for storing and providing service data which is one of advertisement data and chargeable data; and

    an exchange controller comprising;

    identifying means for identifying a user allowed to connect with the data communication network;

    communication means for connecting at least one of;

    (1) between any two of the data terminals; and

    (2) between one of the data terminal and the public telephone terminal; and

    service data controlling means for controlling the service data provider apparatus, wherein the service data controlling means, when a data terminal of the data terminals calls to start or calls to be in communication, makes the service data provider apparatus transmit a relevant service data to the data terminal which has called over the data communication network and the line exchange network;

    wherein the exchange controller further comprises charging means for administrating the service data as chargeable data, wherein the charging means, when the service data is a chargeable data for the user, charges the user for the service data, andwherein the charging means, when the service data is an advertisement data, charges an advertiser for the advertisement data.

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