- Ringer with LED visual light - 95 decibels - Adjustable ringer and tone switches - Works on PSTN VoIP cable lines - Uses regular RJ11 plugs - No batteries required - Desk and wall mountable - FCC approved more details
- Ringer with LED visual light - 95 decibels - Adjustable ringer and tone switches - Works on PSTN VoIP cable lines - Uses regular RJ11 plugs - No batteries required - Desk and wall mountable - FCC approved