| Troubleshooting |
226
Symptom
Reason
Solution
Dust and debris may cause the
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 the phone if necessary.
No audio input device.
Audio input device is connected
correctly.
The speaker of the far site is
obscured or damaged.
Ensure that speaker is not obscured
or damaged. Do not stack items
on top of the CP960 conference
phone.
Far site cannot hear your audio
during a call.
Your microphone is muted
Unmute the microphone.
The volume of the far site is set to
0.
Contact the far site to adjust the
volume.
The users sit too far from or near to
the microphone.
Adjust the distance.
The audio pickup device is moved
frequently.
Put the audio pickup device in the
fixed location.
Network congestion.
Connect the network administrator.
You may experience poor voice
quality during a call, such as
intermittent voice, echo or other
noise.
Cable gets old.
Replace the old cables with
the new cables, and then check
whether the new cables provide
better connectivity.
You cannot hear the ring tone when
receiving a call.
The volume is set to 0.
Adjust the volume.
Video Issues
Situation
Reason
Solution
The system is in sleep mode.
Press any key on the remote
control to wake the system.
The system is powered off
Power on the system.
Picture is blank on the monitor.
The HDMI cable is not connected
to the system.
Make sure that the monitor is
connected correctly according to
the Quick Start Guide.
Unsuitable monitor resolution.
Unsuitable monitor resolution.
The packet is lost.
View the call statistics to check
whether the packet is lost and
contact the network administrator.
The video quality is poor.
Unsuitable camera parameters.
Adjust the camera parameters, such
as the brightness and the white
balance.