- Cortelco loud external ringer
- Compact design
- Visual ring indicator
- Low/high volume control
- Phone and line jack
- Desk/Wall mountable
Loudness: 85 dBSPL Low 96 dBSPL High measured 18 inches from device
Loudness: 85 dBSPL Low 96 dBSPL High measured 18 inches from device