Switching system with two-way line managing system

Details Switching system with two-way line managing system Switching system with two-way line managing system

1990-03-19

1991-09-03

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379241, 379229, H04Q 1104

Patent

active

050461818

ABSTRACT:
A switching system having two-way lines connected between a primary office and an opposite office for communicating through a selected one of the two-way lines, and having a control unit for selecting one of the two-way lkines to be used for communication. To reduce double hunting of a two-way line, the control means comprises an outgoing connection process controlling unit for detecting a release of a two-way line activated by the primary office, an incoming connection process controlling unit for detecting a release of a two-way line activated by the opposite office, and a two-way line managing unit for deciding the priorities for selection of a plurality of two-way lines. The two-way line managing unit provides a different priority for selection to a released two-way line depending on whether the released two-way line had been activated by the primary office or by the opposite office.

REFERENCES:
patent: 3491213 (1970-02-01), Gilboy et al.
patent: 3778555 (1973-12-01), Nordling et al.
patent: 4603415 (1986-07-01), Nakada et al.

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