Yealink VC400 Administrator's Guide

Administrator’s Guide for Yealink Video Conferencing Systems
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2. Select the desired value from the pull-down list of Abnormal Call Answering.
3. Click Confirm to accept the change.
Configuring Safe Mode Call
Safe Mode Call feature is used to verify whether the incoming H.323 call is coming from a video
conferencing system.
The Safe Mode Call parameter on the system is described below:
Parameter
Description
Configuration Method
Safe Mode Call
Enables or disables the Safe Mode
Call feature
 Disabled—Answer incoming
H.323 calls directly without
validation.
 Enabled—Verify whether the
incoming H.323 call is coming
from a video conferencing
system. If it is, the
VC400&VC120 video
conferencing system will
answer it. If not, the incoming
call will be rejected.
Default: Enabled
Web User Interface
To configure Safe Mode Call via web user interface:
1. Click on Setting->Call Features.

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