Samcen SCS8000E Administrator's Manual - page 56
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In a combined cascade conference, when CP is conducted in a master MCU,
its member can be an MT of the local MCU or an MT of a slave MCU (a slave
MCU only supports one MT). If CP is performed in a slave MCU, its member
can be an MT of the local MCU or the broadcast channel of the master MCU.
After the CP operation, the CP pictures are not required to be sent to the
master MCU.
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A master MCU can designate an MT (only one is supported) of a slave MCU
to be displayed on the monitor wall of the master MCU. A slave MCU can
designate whether pictures from its master MCU are displayed on the monitor
wall of the slave MCU.
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If the conference discussion mode is used, an MCU will automatically start the
local mixer (in discussion mode) .
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If custom mixing is used, a master MCU is supported to select several MTs of
its own and certain MTs of its directly-connected subordinate to participate in
custom mixing.
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In a combined cascade conference, each level of MCU can only control the
recorder of the local MCU. A master MCU can designate an MT of a slave
MCU to make recording in the master MCU. A slave MCU can designate its
master MCU to make recording in the slave MCU.
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In a combined cascade conference, the user is allowed to conduct such
operations as view and MCC monitoring. The MT from master MCU is allowed
to view the MT of the directly-connected slave MCU, and the MCC of the
master MCU is allowed to monitor the MT of the directly-connected slave
MCU (an MCU only supports one MT). The MT from slave MCU is not allowed
to view the MT under the master MCU, and the MCC of the slave MCU is not
allowed to monitor the MT under the master MCU.
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In a combined cascade conference, an MCU is supported to poll all online
MTs of the local MCU and all online MTs of the directly-connected slave
MCUs. Two cases are involved when an MT in a slave MCU speaks in the
local MCU: Only video polling can be conducted, and the polling of and
broadcast to all MTs in the MCU cannot be made; Polling of audio and video
can be conducted. The polling of and broadcast to all MTs in the MCU can be
made.
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In a combined cascade conference, the MCC connected to the master MCU is
supported to be set to monopolizing the entire conference, and other MCCs
can only view pictures, without any operation right.
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In a combined cascade conference, an MCU is supported to send messages
to the MT of its own or of the slave MCU.
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When a combined cascade conference is created, the speaker of each MCU