Control system for telephone switching system

Details Control system for telephone switching system Control system for telephone switching system

1980-03-10

1982-12-28

Robinson, Thomas A.

H04M 324

Patent

active

043663508

ABSTRACT:
A telephony system with automatic test calling. Test access circuitry connected to port circuits enables the test call circuit to select actual ports for a test call and monitor the test call signals. Test calls are initiated either on a periodic basis on in resonse to a fault condition. Any portion of the telephony system therefore can be used in a test call.

REFERENCES:
patent: 3908099 (1975-09-01), Borbas et al.

Affiliated with

Also associated with

Rating

Control system for telephone switching system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control system for telephone switching system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control system for telephone switching system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1338552