Multiplex communications – Wide area network – Packet switching
Patent
1991-01-17
1993-06-15
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, 3701101, 379 94, H04L 1256, H04M 1100
Patent
active
052205606
ABSTRACT:
Where the ISDN subscriber terminal performs data transmission, the prefix transmitting section in the terminal transmits the prefix to a packet subsystem in advance. Based on this transmission, the modem pool apparatus designating section in the packet subsystem determines the corresponding modem pool apparatus to establish a communication path between the modem pool apparatus designating section and the modem pool apparatus. Further, the selected modem pool apparatus establishes a communication path to the start-stop transmission terminal. In accordance with the above sequence, a communication path of the ISDN subscriber terminal--packet subsystem--modem pool apparatus--the start-stop transmission terminal is established, thereby allowing the data communication between the ISDN subscriber terminal and start-stop transmission terminal to be realized.
REFERENCES:
patent: 4884269 (1989-11-01), Duncanson et al.
patent: 4903263 (1990-02-01), Patel et al.
patent: 4975900 (1990-12-01), Murata et al.
patent: 5051992 (1991-09-01), Taniguchi et al.
patent: 5056088 (1991-10-01), Price et al.
patent: 5067125 (1991-11-01), Tsuchida
Fujitsu Limited
Hsu Alpus H.
Olms Douglas W.
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