19EN

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 conrm.
» 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.
English