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Troubleshooting
267
information, refer to
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
on page
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
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.
Adjust the priority order for your audio codec if you have chosen a low-bandwidth audio
codec to be first. For more information, refer to
on page
Dust and debris may cause audio quality. Do not use any kind of liquid or aerosol cleaner
on the phone. A soft, slightly damp cloth should be sufficient to clean the top surface of
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