![Philips](/logo/Philips.png)
Philips Electronics
Versatile speech/dialler/ringer with music-on-hold
![UTC](/logo/UTC.png)
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
![ETC1](/logo/ETC1.png)
Unspecified
TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP
![ETC](/logo/ETC.png)
Unspecified
VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE
![Philips](/logo/Philips.png)
Philips Electronics
Listening-in circuit for line-powered telephone sets
![Philips](/logo/Philips.png)
Philips Electronics
Versatile telephone transmission circuit with dialler interface
![Philips](/logo/Philips.png)
Philips Electronics
Hands free IC
![Philips](/logo/Philips.png)
Philips Electronics
Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer
![Temic](/logo/Temic.png)
Temic Semiconductors
Zero Voltage Switch with Fixed Ramp
![Philips](/logo/Philips.png)
Philips Electronics
Speech and handsfree IC
![Philips](/logo/Philips.png)
Philips Electronics
Low voltage transmission circuits with dialler interface
![Philips](/logo/Philips.png)
Philips Electronics
Low voltage versatile telephone transmission circuit with dialler interface