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

Unisonic Technologies

LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

Philips Electronics

Speech and listening-in IC

Philips Electronics

Speech and handsfree IC

Philips Electronics

Low voltage transmission circuits with dialler interface

Philips Electronics

Versatile speech/dialler/ringer with music-on-hold

Philips Electronics

Speech and handsfree IC

Philips Electronics

Hands free IC

Philips Electronics

Speech and loudspeaker amplifie IC with auxiliary inputs/outputs and analog multiplexer

Philips Electronics

Listening-in circuit for line-powered telephone sets

Philips Electronics

Low voltage transmission circuits with dialler interface

Philips Electronics

Hands free IC