Operation Manual

15Dialog 3210, 3211 and 3212
During Calls
From handsfree to handset
u Lift the handset
Conversation via the handset.
Mute
When the lamp is lit, the person on the line cannot hear what is
being said in your room.
Note: Key designation differs on the telephones.
3210 telephone
H Press to switch the microphone on or off
3211 and 3212 telephones
m Press to switch the microphone on or off