Yealink SIP-T48G Administrator's Manual page 500

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Local
Details of the Configuration Parameter:
Parameter
voice.echo_cancellation
Description:
Enables or disables AEC (Acoustic Echo Canceller) feature on the IP phone.
0-Disabled
1-Enabled
Web User Interface:
Settings->Voice->Echo Cancellation->ECHO
Phone User Interface:
None
To configure AEC via web user interface:
1. Click on Settings->Voice.
2. Select the desired value from the pull-down list of ECHO.
3. Click Confirm to accept the change.
486
Web User Interface
Permitted Values
0 or 1
voice.echo_cancellation
Configure AEC.
Navigate to:
http://<phoneIPAddress>/
servlet?p=settings-voice&
q=load
Default
1