automatic sending receiving (ASR)
automatic sequence
automatic shutdown
automatic signaling
Automatic stabilizers
automatic starter
automatic starting motor
automatic station
automatic switchboard
automatic switching
automatic switching system
automatic system reconfiguration
automatic telegraphy
automatic telephone message recorder
automatic telephone set
automatic telephone system
automatic telephony
automatic teller
automatic teller machine
automatic text reflow
automatic tracking = auto tracking
automatic translation
automatic transmission
automatic transmitter
automatic tuning control
automatic variable
automatic voice network (autovon)
automatic volume compressor
automatic volume control
automatic volume control circuit