Philips Electronics
Versatile speech/dialler/ringer with music-on-hold
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
Unspecified
VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE
Philips Electronics
Versatile telephone transmission circuit with dialler interface
Philips Electronics
Low voltage transmission circuits with dialler interface
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface and transmit level dynamic limiting
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