Camera Issues - Yealink VC110 Administrator's Manual

Administrator's Guide for Yealink VC110 Video Conferencing Endpoint
page 261 and
Ensure that the far site supports the same call protocol as the local site.

Why does the endpoint fail to call the far site via IP address?
Ensure that at least one call protocol is enabled on both sites. For more information, refer

to Configuring SIP
Ensure that the network is connected correctly.

Ensure that the network is configured correctly. For more information, refer to

LAN Properties
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
Check whether the endpoint has enabled the hide IP address feature. For more information

on disabling the hide IP address feature, refer to
Check whether the endpoint has configured firewall and NAT correctly. For more

information on, refer to
86.
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 endpoint, switch

and router.

Camera Issues

Why can't I adjust the camera angle and focus?
You can adjust the camera when the endpoint is idle or during a call. The camera cannot

be adjusted when the endpoint 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.

290
H.235 on page 264.
Settingson page 134
on page 56.
Using Diagnostic Methods
Configuring LAN Properties
Configuring the Endpoint for Use with a Firewall or NAT
and Configuring H.323 Settings
on page 286.
on page 56.
Hiding IP Address
on page 138.
Configuring
on page 183.
on page