Regarding the Fusion Conference 3.0 solution, which of the following statements is correct () (single choice)
A . The account to log in to the eMP system needs to be created in the eMP system
B . The eMP system accesses the BMU system to obtain UC system address book information
C . The eMP system queries the address book information of the video conferencing system by accessing eUA
D . eSpace Web Query the address book information of the video conferencing system by accessing eUA
Answer: C