Multiplex communications – Wide area network – Packet switching
Patent
1989-06-15
1990-06-12
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, 379112, H04L 1100
Patent
active
049339311
ABSTRACT:
An integrated accounting system is applied to a network structure which includes a telephone network and a packet network. A packet exchange in the packet network includes a circuit for measuring a communication data quantity within the packet network during a communication between a first terminal which has an advance payment function and is connected to a telephone exchange in the telephone network and a second terminal which is a packet mode terminal connected to the packet exchange. The packet exchange also includes a circuit for sending a control signal to a gate way which couples the telephone exchange and the packet exchange every time a measured communication data quantity reaches a predetermined accounting unit of the telephone network, and a circuit for initially sending the control signal when a call out from the first terminal is detected. The telephone exchange includes a circuit for generating a control signal for every predetermined acocunting unit which is dependent on a duration and distance of a communication within the telephone network, a circuit for sending the control signal generated therein and the control signal received from the gate way to the first terminal, and a circuit for initially sending the control signal when a call out from the first terminal is detected. The first terminal collects an amount of money responsive to the control signal received from the telephone exchange.
REFERENCES:
patent: 4507782 (1985-03-01), Kunimasa et al.
patent: 4577061 (1986-03-01), Katzeff et al.
patent: 4723238 (1988-02-01), Isreal et al.
Fujitsu Limited
Hsu Alpus H.
Olms Douglas W.
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