Arrangement for subscriber line ring testing

Details Arrangement for subscriber line ring testing Arrangement for subscriber line ring testing

H - Electricity

04

Q

344/1.5

H04Q 1/20 (2006.01) H04M 3/30 (2006.01)

Patent

CA 1227266

AN ARRANGEMENT FOR SUBSCRIBER LIME RING TESTING ABSTRACT OF THE DISCLOSURE An arrangement for automatically testing a plurality of subscriber lines, which are operation- ally connected to an electromechanical switching system is shown. Operational service is to be trays- furred from the electromechanical switching system to a digital switching system. This arrangement provides for automatically verifying whether the digital switching system is arranged to apply the proper ringing signal to each subscriber by a come prison with that applied by the electromechanical switching system.

470682

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