AASTRA 4225 Vision for MX-ONE (TSE) User Guide EN - Manual (Page 52)

During Calls
Dialog 4223 Professional/Dialog 4225 Vision 52
Refer Back
The Line key lamp flashes for the call put on hold.
Line 1
Ц Ф
Press to put third party on hold.
First call is connected.
Inquiry
Ц Ф
Press to put the first call on hold.
Third party is connected.
Note: You can also press Line 2 if you have initiated the Inquiry
on Line 2.
í
Press to terminate the connected call.
Transfer
You have an ongoing call and you want to transfer the call to another
extension.
Conf/Transf Press (see display).
Note: You can also press Inquiry or a free Line key.
z
Call the third party.
Transfer Press before or after answer (see display).
The ongoing call is transferred.
Note: If you have put more than one call on hold, the last call
that was put on hold will be transferred. If the dialed extension
is busy or Transfer is not allowed, your phone will ring again.