AASTRA DT292 for MD Evolution User Guide EN - Manual (Page 131)

131 MD Evolution – Cordless DT292
Reference
Phone signals
The phone signal certain events audibly and visually as described
below.
The phone also generates audible ring signals, alarm signals and
warning tones, and key clicks.
Signal Meaning
Red warning light Incoming call
Message waiting
Battery almost empty
Phone out of range or not connected
Sound Meaning
Ring signal Incoming call
Alarm signal 4 short beeps every 30 seconds: battery almost
empty
4 short beeps every 2 minutes: Phone out of
range or not connected
Key click You hear this each time you press a key (when
selected).
Warning tone You have pressed a key which has no function.