Only if the terminal supports T.140, you can use the T.140 method to send banners, subtitles, or short messages to a specified venue.
Each RTP datagram consists of two parts, the header and the payload, where the meaning of the first 12 bytes of the header is fixed , and the payload can be audio or video data.
The wall riding scheme is a simple public and private network crossing method, which connects different network ports of the MCU in different networks to realize the terminals in different networks to access
the same conference.
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. ( )
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