Yealink VC400 User Manual

Using the VC400 Video Conferencing System
105
To mute a call:
Do one of the following:
- Press on the remote control.
- If VCP40 is connected to the Audio In port of VC400 codec:
You can press on the VCP40 to mute the call. If CPE80 expansion microphones are
connected to the VCP40, you can also tap on the CPE80 expansion microphones to
mute the call.
Mute Indicator LEDs on the VCP40 and CPE80 will illuminate solid red.
And the LCD screen of theVCP40 is shown as below:
- Log into the web user interface, check the Mute checkbox.
If video conferencing system is muted, the icon will appear on the local video.
Call Statistics
If voice quality is poor during a call, you can enter the Call Statistics screen to view the current
status of the call to find out why.
Codec, bandwidth, total packet lost and other parameters about presentation are included in
the call statistics. For example, when a delay occurs or the video has a ‘mosaic’ look, you can
view the total packet loss to check whether the packet has been lost.
Call statistics is configurable via the remote control or web user interface.
To view call statistics via the remote control:
1. Press (More soft key) during an active 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