Administrator’s Guide for Yealink VC800&VC500 Video Conferencing System
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Ensure that the network is connected correctly.
Ensure that the network is configured correctly. For more information, refer to
Ping the IP address of the far site. Contact your system administrator if it fails. For more
information, refer to
Why doesn’t the status bar of the display device display IP address?
Check whether the network is available.
Check whether the LAN property is configured correctly. For more information on LAN
property configuration, refer to
on page
Check whether the system has enabled the hide IP address feature. For more information
on disabling the hide IP address feature, refer to
Why does the network keep losing packets?
Check whether the network is available and the LED indicator on the left of the Internet
port illuminates green.
Try to use the low speed connection to check whether packets are lost. Deficient
bandwidth is an important reason for packet loss.
Check the configuration of the network speed and duplex mode on the system, switch and
router.
Camera Issues
Why can’t I adjust the camera angle and focus?
You can adjust the camera when the system is idle or during a call. The camera cannot be
adjusted when the system is in the menu screen.
Ensure that the batteries in the remote control are in good working condition, and
installed correctly.
Aim the remote control at the sensor when operating the unit.
Ensure that no objects are obstructing the sensor on the front of the camera.
Ensure that the LED on the front of the camera flashes green when you use the remote
control to operate the unit.
Ensure that what you are controlling is the local camera.
Reboot the system.
If the above suggestions cannot solve your problem, perhaps the remote control is broken.
You can contact your system administrator for help.
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