The remote video loopback checks whether video data is transmitted properly on the network to determine whether the remote video module is working correctly.()
Relationship between the camera and background, Why the background cannot be multifarious. (Select 2 answers)
For Basic request messages, ( ) is used for querying the SIP server capabilities.
Relationship between the camera and background, Why the background cannot be multifarious. (Select 2 answers)
Of the messages between GKs, a/an ( ) message is sent by the called terminal to the calling terminal to indicate that the called terminal is off-hook.
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