Gigaset E720 Manual page 26

Making calls
During a conversation
Handsfree mode
Activating/deactivating handsfree mode during a call, when establishing a connection and
when listening to the answer machine (where the system has a local answer machine):
¤
Press the handsfree key
Placing the handset in the charging cradle during a call:
¤
Press and hold down the handsfree key
cradle . . . hold
Call volume
Applies for the mode currently being used (handsfree, receiver or headset):
¤
Press . . . use
Boost function (extra-loud):
The setting is automatically saved after around 3 seconds, even if Save is not pressed.
The Boost setting only applies for the duration of the call.
Muting the microphone
When the microphone is switched off, callers will no longer hear you.
Switch the microphone on/off during a call:
24
for a further 2 seconds
to set the volume
press the Boost key on the right-hand side of the handset
Press
. . . Place the handset in the charging
Save