Product Overview
- Compatible with any telephone system with standard DC message waiting voltages ranging from 90VDC to 120 VDC
- Fully modular for quick plug-in installation by non-telephone personnel
- Unit's LED will blink at a steady rate when the message waiting voltage is detected.
- Flickers when the phone rings
- Attractive styling
- Easy retrofit mounting
- Works with nearly all message waiting voltages
- Not compatible with any AT&T phone system
