Sennheiser DW 800, Instructions For Use Manual, Page: 19 / 28

Advanced settings
21
To end the conference call simultaneously for all
mobile units:
왘
Press the hook key on the master mobile unit.
The conference call is ended for all mobile units.
Note:
When the conference call is ended, the
corresponding mobile units automatically return to
the operating status they had before the
conference call started.
Intercom conference between up to five mobile units
In addition to making conference calls via the
telephone, you can use the mobile units for intercom
conferences between up to five mobile units. Intercom
works independently of the telephone line.
You require a separate headset for every mobile unit.
Setting up the DW 800 system for an intercom
conference
To initiate the intercom conference mode:
왘
Place a mobile unit into the left-hand charging slot
of the docking station.
This mobile unit becomes the master mobile unit
and is able to control the other mobile units in the
intercom system.