Yealink VC400 Administrator's Guide

Configuring Call Preferences
159
Auto Refuse Timeout
Auto refuse timeout defines a specific period of time within which the video conferencing
system will stop ringing if the call is not answered.
The auto refuse timeout parameters on the system are described below:
Parameter
Description
Configuration Method
Auto Refuse
Timeout
(30-240)
Configures the duration time (in
seconds) in the ringing state.
Default: 120
If it is set to 120, the system will stop
ringing if the call is not answered
within 120s.
Web User Interface
To configure auto refuse timeout via web user interface:
1. Click on Setting->Call Features.
2. Select the desired value from the pull-down list of Auto Refuse Timeout (30-240).
3. Click Confirm to accept the change.
SIP IP Call by Proxy
If the account of far site is an URI address (Username@Server), local site can use SIP IP call or SIP

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