Ericsson DIALOG 4220 - Manual (Page 34)

During Calls
Dialog 4220 Lite/Dialog 4222 Office 34
Handsfree
(Dialog 4222 Office phone only). Â d
Press and replace the handset.
Handsfree conversation. í
Press to end the call.
From handsfree to handset u
Lift the handset.
Conversation via the handset.
Mute
É
Press to switch the microphone on or off.
When the lamp is lit, the person on the line cannot hear what is
being said in your room.
Inquiry
You have a voice connection on Line 1 and want to make an Inquiry
to an internal or external party. Ô
Inquiry Press.
The first party is put on hold (Line 1 flashes slowly).
Note: You can also press Line 2. z
Call the third party.
When the other party answers, you can switch between the calls
(Refer back), Transfer the call, create a Conference and end one of
the calls. í
Press to end the Inquiry call.
The third party is disconnected. Ц Ф
Line 1 Press to return to the first call.