| Using Yealink Meeting Server | 68Blocking or Unblocking Audio on CTP20The moderator can block/unblock audio of any participant to control whether the participant can hear the voice in themeeting.Procedure1. In the Conference Control page, tap Participant.2. Tap after the desired participant, select Block Audio/Unblock Audio.Enabling or Disabling the Camera on the CTP20The moderator can enable or disable the participant's camera to control whether other participants can see the video ofthe participant.Procedure1. In the Conference Control page, tap Participant.2. Tap / after the desired participant to disable/enable the camera.Controlling Cameras by CTP20The moderator can control the camera of the participants, including: moving up and down, moving left and right, andzooming in/out.Before you beginMake sure that the camera you want to control is not turned off and the Far Control Near Camera feature is enabled.Procedure1. In the Conference Control page, tap Participant.2. Tap after the desired participant, select Camera Control.3. Tap the navigation keys to adjust the camera angle.4. Tap or to adjust the focal length.Related tasksDisabling or Enabling the Camera on CTP20Allowing the Remote System to Control Your Camera
