多项选择题

Which three of the following are bundled components in the SPA9000 Voice system?（）

A. web conferencing
B. auto attendant
C. voice mail
D. intercom and group paging
E. contact center features
F. a call-management device

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多项选择题

A. foundation
B. optimized
C. implemented
D. growth
E. finished
F. beginning

单项选择题

A. controller-based mode only
B. either standalone mode or controller-based mode
C. standalone mode only

多项选择题

A. production
B. growth
C. foundation
D. expansion
E. base