Phone signals – AASTRA DT4x2 for MD Evolution User Guide EN User Manual
Page 149
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149
MD Evolution – Cordless DT412 / DT422 / DT432
Reference
Phone Signals
The phone signal certain events audibly and visually as described
below.
The phone also generates audible ring signals and alarm signals.
Signal
Meaning
Red warning light
Incoming call.
Message waiting.
Sound
Meaning
Ring signal
Incoming call.
Alarm signal
1 short beep: phone out of range of base
system.
Message beep: Incoming message.
No-movement alarm or Man-down alarm
about to be sent (DT422 only)
Key beep
You hear this each time you press a key (when
selected).
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