AASTRA 4225 for MX-ONE Telephony Switch - Manual (Page 52)

During Calls
Dialog 4223 Professional/Dialog 4225 Vision 52
During Calls
Group Listening (loudspeaking)
This feature 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:
Â
Press to switch between loudspeaker and handset.
When the key lamp is on, the other party´s voice can be heard on the
loudspeaker.
Note: You can adjust the volume, See section “ Settings ” on
page 98 .
From loudspeaking to handsfree
d
Replace the handset.
Handsfree conversation.
From handsfree to loudspeaking
u Â
Lift the handset and press.
í
Press to end the call.