Peer-to-peer calls between endpoints must use an MCU, but multipoint meetings can be scheduled without an MCU.
Illuminance is based on the luminous flux received by the vertical surface as the standard, and if oblique illumination is used, the illuminance decreases. ( )
Which of the following features is provided by the gatekeeper ( ).
The following description of the cascading characteristics of the miniMCU is correct. () (3 answers).
