Yealink VC400 User Manual

Customizing the VC400 Video Conferencing System
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2. Enter the user’s IP address, account or domain name in the Meeting Blacklist Number
field.
3. Click Add.
4. Repeat step 2-3 to add more numbers to the meeting blacklist.
To delete the blacklist numbers via web user interface:
1. Click on Directory->Meeting Blacklist.
2. Click Delete beside the numbers that you want to delete.
The web user interface prompts the message “Warning: Are you sure delete the black
number?”.
3. Click Confirm.
Hiding Icons in a Call
During a call, the system will display some information and icons (such as call time, mute icon
and recording icon) by default, you can know the call status from these information and icons.
You can also hide these icons as needed to achieve the best video effects. Hiding icons in a call
feature is configurable via web user interface only.
To enable the hiding icons in a call feature via web user interface:
1. Click on Setting->General.
2. Select the desired values from the pull-down lists of Time Icon, Mute Icon ( ),
Camera Icon ( ), Recording Icon ( ), Sitename Icon, Hold Icon ( ),
Encrypt Icon ( ), OutPut Mute Icon ( ), and Gazeat Icon ( ).
- If you select Disabled, the system does not display corresponding icons during a call.

Yealink VC400 Specifications

General

Optical zoom	18 x
White balance	Auto, Indoor, Outdoor
Focus adjustment	Auto
Video codecs	H.264, H.264, H.263
Supported video modes	1080p
Supported graphics resolutions	352 x 288, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Voice codecs	G.711, G.711a, G.722
Line-in	Yes
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
ITU-supported standards	H.323
Ethernet LAN data rates	10, 100, 1000 Mbit/s
AC input voltage	100-240 V
Power consumption (max)	30 W

Weight and Dimensions

Depth	183 mm
Width	330 mm
Height	40 mm