H.323 defines the H.323 Gateway GateKeeper, Multipoint Processor (MP), but does not define the Multipoint Conferencing Control Unit (MCU).
Background lighting can improve monotonous backgrounds; The background light should be dimmer than the main light to highlight the human image and create a sense of depth. ( )
In H460 networking, the H.245 TCP connection of the private network terminal is established with TS.
An MCU can belong to only one service area, but a service area can have multiple MCUs.