User Manual
During Calls
Dialog 4223 Professional38
During Calls
Group Listening (loudspeaking)
This function lets other people in your room listen to your phone
conversation. You speak in the handset while the other party´s
voice is heard on the loudspeaker.
During an ongoing conversation:
 Press to switch between loudspeaker and handset.
When the key lamp is on, the other party´s voice is heard on the
loudspeaker.
Note: You can adjust the volume, See section “Settings” on
page 77.
From loudspeaking to handsfree
d Replace the handset.
Handsfree conversation.
From handsfree to loudspeaking
u Lift the handset and press.
í Press to end the call.