H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 3/02 (2006.01) H04L 12/52 (2006.01) H04M 3/24 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2050571
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.
Kawakami Takaaki
Orita Akira
Sakata Tetsuya
Fetherstonhaugh & Co.
Fujitsu Limited
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