Philips D450 User Documentation page 18

Note
•
Press to join an ongoing conference with another
handset if [Services] > [Conference] is set to [Auto].
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 [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.
EN
16