Toshiba IP4100 Installation Manual page 60

BASE STATION CONFIGURATION
2-2
5. Click on the Save, as shown below. Do not exit this utility until you
have tested the new features.
6. Make a test call with an IP4100 handset to ensure that the
Conferencing soft keys, such as Conf and Swap, now appear on the
IP4100 handsets. In multi-cell systems this change only needs to be
made in one base station. The parameter change will be sent to all of
the other base stations.
If the conferencing features do not appear, click on the Multi Cell
Page and click Force reboot chain.
Note: All calls will be disrupted during this reboot period.
Conference Support
IP4100 Install Sept., 2013