Yealink VC400 Administrator's Manual page 164

Administrator's Guide for Yealink Video Conferencing Systems
lower bandwidth joins a call, the video quality will stay the same or will not reduce a lot. You can
specify the uplink and downlink bandwidths for the system to achieve the best result. Uplink
bandwidth is the max bandwidth of outgoing calls, and downlink bandwidth is the max
bandwidth of incoming calls. The configurable bandwidths on the system are: 256 kb/s, 384 kb/s,
512 kb/s, 640 kb/s, 768 kb/s, 1024 kb/s, 1280 kb/s, 1500 kb/s, 2000 kb/s, 3000 kb/s, 4000 kb/s,
5000 kb/s, 6000 kb/s. You can configure which bandwidth is to be used when in the dialing
screen. The optional maximum bandwidth in dialing screen is the uplink bandwidth.
The actual bandwidth depends on the performance of the remote system, and is affected by the
Note
quality of the communication channel.
Bandwidth settings parameters on the system are described below:
Parameter
Uplink Bandwidth
Downlink
Bandwidth
To configure bandwidth settings via web user interface:
Click on Setting->Call Features.
1.
Select the desired value from the pull-down list of Uplink Bandwidth.
2.
148
Description
Specifies the maximum transmitting
bandwidth for the system.
Default: Auto
If Auto is selected, the system will
select the appropriate uplink
bandwidth automatically.
Specifies the maximum receiving
bandwidth for the system.
Default: Auto
If Auto is selected, the system will
select the appropriate downlink
bandwidth automatically.
Configuration Method
Remote Control
Web User Interface
Remote Control
Web User Interface