The calling call set is a kind of calling conference mode provided by Huawei video system, allowing users to Define and hold a multipoint conference as in the call.

The calling call set is a kind of calling conference mode provided by Huawei video system, allowing users to Define and hold a multipoint conference as in the call.
A . Platform side
B . Terminal side
C . MCU
D . Multipoint Management Resource Center

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Answer: B