Call processing monitor system

Details Call processing monitor system Call processing monitor system

1979-11-23

1981-03-10

Robinson, Thomas A.

H04M 322

Patent

active

042556244

ABSTRACT:
The present invention is a call processing monitor circuit for dynamically verifying the operation of a telephone switching center. This system provides for continuously testing a telephone switching center's ability to process telephone traffic. This is accomplished by placing telephone calls one at a time from various network inlets to various network outlets in the switching center. For the detection of an alternate failure pattern, an output alarm signal is generated by the system.

REFERENCES:
patent: 3239612 (1966-03-01), McAllister
patent: 3497639 (1970-02-01), Malinich et al.
patent: 3515820 (1970-06-01), Bereznak
patent: 3692961 (1972-09-01), Le Strat et al.
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patent: 3700830 (1972-10-01), Naylor et al.
patent: 3952172 (1976-04-01), Penn et al.
patent: 4021624 (1977-05-01), Kelly et al.
patent: 4076970 (1978-02-01), Lubarsky, Jr. et al.
"An . . . Automatic Call Sender for Testing . . . Telephone . . . Installations", Mackie, P. O. Electrical Engineers' Jour., vol. 61, Part 3, Oct. 1968, pp. 165-170. _

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