Reference
BusinessPhone – Cordless phone DT190
92
Phone signals
The Cordless phone generates audible ringing signals, alarm
signals, warning tones and key clicks.
Sound
Meaning
Ring signal
Incoming call
Alarm signal
1 short beep every 30 seconds: Battery almost
empty
Key click
You hear this each time you press a key (when
selected).
Warning tone
You have pressed a key which has no function.
An entry or setting has not been completed
successfully.
Confirmation tone An entry or setting has been completed
successfully.
