CDMA mobile automatic call simulating method and simulator there
Cellular alarm backup system
Cellular alarm backup system
Cellular automated test set
Cellular communications test system
Cellular radiotelephone diagnostic system
Cellular radiotelephone diagnostic system
Cellular-system signal-strength analyzer
Central office technician notification and information system
Central office technician notification and information system
Channel check test system
Channel check test system
Channel test unit
Checking of broadband network components
Circuit for a line simulating device
Circuit for activating back-up lines
Circuit for detecting abnormality in feeder
Circuit method and system for transmitting information
Circuit testing of telephone grids or the like
Circuits and methods for testing POTS service