ISDN line circuit monitor system

Details ISDN line circuit monitor system ISDN line circuit monitor system

1994-10-18

1996-07-02

Kizou, Hassan

Multiplex communications

Wide area network

Packet switching

370 68, 370 681, 3701101, H04J 314

Patent

active

055330070

ABSTRACT:
In an ISDN line circuit channel monitor system having a digital line circuit controller, a line circuit network and a call processor accommodating network, there are provided monitor equipment and a connection making part. The monitor equipment is coupled to the digital line circuit controller, the first network or the second network, and monitors D and B channels of a basic interface and a primary rate interface. The connection making part connects to the monitor equipment time slots related to a monitored channel of a terminal in conformity with either the basic interface or the primary rate interface.

REFERENCES:
patent: 4730313 (1988-03-01), Stephenson et al.
patent: 4965795 (1990-10-01), Coffelt et al.
patent: 4989202 (1991-01-01), Soto et al.
patent: 4998240 (1991-03-01), Williams
patent: 5027343 (1991-06-01), Chan et al.

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