Aastra 610d User Manual page 55

Devices menu
Noise detection
When this function is active, the volume of the ringer is automatically raised if
there is loud background noise.
Attention tones
Select whether the respective attention tones should be activated or not.
Key click
Confirm tones
End of menu
Battery warning
Coverage warning Alert tones if the wireless connection threatens to disconnect.
Loud environment
If the handset is mainly used in a loud environment, the handset attempts to improve the
voice transmission.
Audible confirmation when a key is pressed.
Confirm successful/unsuccessful settings.
Alert tone on reaching the end of a menu list.
Alert tone if the battery is almost empty.
Only a few minutes are left before the call will be disconnected.
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