Connection system for the supervision of telephone circuits

Details Connection system for the supervision of telephone circuits Connection system for the supervision of telephone circuits

1983-12-14

1986-04-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 58, 370 17, H04J 116, H04J 314, H04Q 1104

Patent

active

045832161

ABSTRACT:
Subject of the invention is a connection system suitable for supervision of large number of telephone circuits based on efficiency measurements.
In addition to the holdings the talking state of the circuits is also determined and discounted from the line signals of the examined line connections. The ratio of the holdings and the number of calls is regarded as the efficiency of the circuit. The so-obtained efficiency values are compared to the matrix of the "holding-call" corresponding to the circuit. In case of deviation the circuit is qualified to be faulty.

REFERENCES:
patent: 3824548 (1974-07-01), Sullivan et al.
patent: 3916123 (1975-10-01), Werner et al.
patent: 3920919 (1975-11-01), Aillet
patent: 3936609 (1976-02-01), Waldeck
patent: 4103108 (1978-07-01), Munter
patent: 4266292 (1981-05-01), Regan et al.
patent: 4371758 (1983-02-01), Ulrich

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