- Loud ringing from an analog line
- Loud ringing from a dry contact closure
- Choose one of four ringing sounds:
- Electronic warble (traditional loud ringer)
- Double gong (two identical "gong" tones)
- Quadruple chime (four descendi
- Loud ringing from a dry contact closure
- Choose one of four ringing sounds:
- Electronic warble (traditional loud ringer)
- Double gong (two identical "gong" tones)
- Quadruple chime (four descendi

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