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15
During an external call
1
Press and hold to initiate an internal call.
»
The handsets available for intercom are
displayed.
»
The external caller is put on hold.
2
Select or enter a handset number, then
press
[OK]
to confirm.
»
The selected handset rings.
3
Press on the selected handset.
»
The intercom is established.
4
Press
[Conf]
.
»
You are now in a 3-way conference
call with an external call and a selected
handset.
5
Press to end the conference call.
Note
•
Press to join an ongoing conference with another
handset if
[Services]
>
[Conference]
is set to
[Auto]
.
During the conference call
•
Press
[Int.]
to put the external call on hold
and go back to the internal call.
»
The external call is put on hold.
•
Press
[Conf]
to establish the conference
call again.
Note
•
If a handset hangs up during the conference call, the
other handset remains connected to the external call.