User guide

Yealink IP Phones Auto Provisioning Guide
124
Parameter
Permitted
Values
Descriptions
Web Setting Path
0-Disbaled
1-Enabled
The default value is 0.
For more information on VAD, refer to Yealink
IP Phones Administrator Guide.
voice.cng
0 or 1
It enables or disables CNG (Comfortable
Noise Generator) feature.
0-Disabled
1-Enabled
The default value is 1.
For more information on CNG, refer to Yealink
IP Phones Administrator Guide.
Settings->Voice->Echo Cancellation
->CNG
voice.echo_cancellation
0 or 1
It enables or disables AEC (Acoustic Echo
Canceller) feature.
0-Disabled
1-Enabled
The default value is 1.
For more information on AEC, refer to Yealink
IP Phones Administrator Guide.
Settings->Voice->Echo Cancellation
->ECHO