Telephonic communications
Supervisory or control line signaling
Signal reception at substation
Inventor
active
Head end apparatus for media gateway control protocol type...
Multifunctional analog trunk circuit
Voice paging service control method in a switching system
No associations
LandOfFree
Dong-Sik Han does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Dong-Sik Han, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dong-Sik Han will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1328524