The system uses the H.245 protocol as the control protocol for controlling the communication channel. ( )

When the MCU is working in wall riding mode, GE0 is registered with switch center and GE1 can only support IP address calling.

The SIP protocol is a ( ) protocol.

The opening process of the logical channel in the H323 protocol follows the principle of "who transmits, who opens". ( )

When the Huawei video terminal is successfully connected to the camera, the user can set the camera parameters through the web interface of the terminal, such as exposure mode, white balance mode, noise reduction, etc., where the larger the noise reduction value setting, the less noise in the picture and the clearer the details of the image.