Yealink SIP-T2 SERIES Administrator's Manual page 886

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Local
Details of the Configuration Parameter:
voice.cng
Description:
Enables or disables the CNG (Comfortable Noise Generation) feature on the IP phone.
0-Disabled
1-Enabled
Web User Interface:
Settings->Voice->Echo Cancellation->CNG
Phone User Interface:
None
To configure CNG via web user interface:
Click on Settings->Voice.
1.
862
Web User Interface
Parameter
voice.cng
Configure CNG.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40
P/T29G/T27P/T23P/T23G/T21(P)
E2/T19(P) E2/CP860:
http://<phoneIPAddress>/servl
et?p=settings-voice&q=load
For SIP VP-T49G:
http://<phoneIPAddress>/servl
et?m=mod_data&p=settings-vo
ice&q=load
Permitted Values
0 or 1
Default
1