User's Manual

During an external call

1 Press INT 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 and hold INT on your handset.

»» You are now on a 3-way conference call with the external call and the

selected handset.

5 Press to end the conference call.

Note

Press to join an ongoing conference with another handset if [ADVANCED

SET] >[CONFERENCE] is set to [ON].

During the conference call

1 Press INT to put the external call on hold and go back to the internal call.

»» The external call is put on hold.

2 Press INT to toggle between the external and internal call.

3 Press and hold INT 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.