Mitel SUPERSET 4025 Manuale Utente

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Headset Operation (Headset with Feature Control Switch) 
IMPORTANT NOTE: Headsets with a feature control switch must be 
installed in the dedicated headset jack (the jack nearest the front of the 
phone). Installation will disable your handset microphone. Disconnecting the 
headset at the jack or at the quick-disconnect plug restores handset 
operation. If handset operation is required for an extended period of time, 
you should press the Headset feature key to return the telephone to handset 
mode. 
To answer a call: 
!
Press the flashing Line Appearance key 
-
OR
-  
Quickly press and release the headset's feature control switch. 
-
OR
-  
Lift the handset(see Note 1). 
  
To mute the headset microphone: 
!
Press and hold the headset's feature control switch.  
To hang up: 
!
Press CANCEL
-
OR
-  
Quickly press and release the headset's feature control switch.