For the relationship between photography and reflected light, how to use the reflected light of indoor decoration. ( )
T140 captions are sent separately to the remote venue, displayed on the remote venue monitor, and superimposed on the local video image.
Terminal control mainly refers to the call signaling of the terminal, the negotiation of logic channels and AV capabilities, and the signaling of conference control.
Fe and GEO, GE1 IP addresses can not be in the same network segment, otherwise it will cause network failure, at this time the front panel ALM light is always on. ( )
Network recording supports downloading recorded files to the local area in the format ( ) and supports local playback. (Fill in the blanks)