Philips Electronics
Call progress monitor for line powered telephone sets
Philips Electronics
Speech and handsfree IC
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface and transmit level dynamic limiting
Philips Electronics
Hands free IC
Philips Electronics
Voice switched speakerphone IC
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface and transmit level dynamic limiting
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE