Yealink SIP-T48G Administrator's Manual page 207

Local
Details of Configuration Parameters:
Parameters
account.1.codec.Y.enable
(Y ranges from 1 to 12)
Description:
Enables or disables the specified codec for the account.
0-Disabled
1-Enabled
Default:
When Y=1, the default value is 1;
When Y=2, the default value is 1;
When Y=3, the default value is 0;
When Y=4, the default value is 0;
When Y=5, the default value is 1;
When Y=6, the default value is 1;
When Y=7, the default value is 0;
When Y=8, the default value is 0;
When Y=9, the default value is 0;
When Y=10, the default value is 0;
When Y=11, the default value is 0;
When Y=12, the default value is 0; (only applicable to SIP-T48G IP phones)
Example:
account.1.codec.1.enable = 1
It means that the codec PCMU is enabled on the account.
for the enabled codec.
Parameters:
account.1.codec.Y.priority
account.1.codec.Y.rtpmap
Configure the codecs to use on a
per-line basis.
Configure the priority for the
Web User
enabled codec.
Interface
Navigate to:
http://<phoneIPAddress>/servlet?
p=account-codec&q=load&acc=0
Permitted Values
0 or 1
Configuring Audio Features
Default
Refer to the following
content
195