Philips Electronics
Call progress monitor for line powered telephone sets
Unspecified
VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE
Philips Electronics
Versatile speech/dialler/ringer with music-on-hold
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
Philips Electronics
Voice switched speakerphone IC
Philips Electronics
Supply circuit with power-down for telephone set peripherals
Philips Electronics
Speech and loudspeaker amplifie IC with auxiliary inputs/outputs and analog multiplexer
Philips Electronics
Versatile telephone transmission circuit with dialler interface
Philips Electronics
Hands free IC
Philips Electronics
Versatile speech/dialler/ringer with music-on-hold
Philips Electronics
Speech and listening-in IC
Philips Electronics
Low voltage transmission circuits with dialler interface
Philips Electronics
Call progress monitor for line powered telephone sets
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface and transmit level dynamic limiting
Philips Electronics
Listening-in circuit for line-powered telephone sets
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
Philips Electronics
Hands free IC
