Yealink MeetingSpace VC500, Administrator'S Manual

Page: 271 / 281

Troubleshooting
255
Why can’t adjust the remote camera during an active call?

Use the remote control to control the local camera to check whether the remote control
can be used normally.

Ensure that the far site has enabled the far-end camera control feature. For more
information, refer to
Far-end Camera Control on page 181 .

Ensure that you are controlling the remote camera. Press , and then select
Other
->
Near/Far Camera
during an active call and then select the remote video image.

Ensure that the far site supports the same call protocol as the near site. For more
information, refer to
Camera Control Protocol on page 182 .
Why is the video quality bad?

Ensure that the display device has suitable resolution.

Check whether the packet has been lost. For more information on packet loss, refer to
Viewing Call Statistics on page 250 .

Ensure that camera settings are configured correctly, such as brightness and white balance.

Avoid high-intensity indoor light or direct sunlight on the camera.
Video & Audio Issues
Why can’t I hear the audio during a call?

Ensure that the local audio output device is connected correctly.

Use audio diagnose to check whether the audio device is working normally.

Ensure that the ringer volume is not set to the minimum.

Check whether the far site is muted.
Why can’t the far site hear the local audio?

Ensure that the local audio input device is connected correctly.

Ensure that speakers are not obscured or damaged. Do not stack items on top of the
CP960 conference phone.

Check whether the near site is muted.

Check whether the system has enabled the auto answer mute feature.

Check whether the system has enabled the auto dialout mute feature.
Why can’t I hear the other site clearly during a call?

Ensure that the speaker volume of the far site is not set too low.

Muffled audio reception from the far side may be caused by highly reverberant rooms.
Speak in close proximity to the phone.