Yealink SIP T2 Series Provisioning Manual page 133

Parameter
account.1.codec.Y.priority
(SIP-T48G: Y ranges from 1 to 12.
SIP-T22(P): Y ranges from 1 to 11.)
Permitted
Values
When Y=11, the default value is G726-40;
When Y=12, the default value is GSM (only
applicable to SIP-T48G IP phones).
It configures the priority of the enabled codec for
the account.
Example:
account.1.codec.1.priority = 2
When Y=1, the default value is 2;
When Y=2, the default value is 3;
When Y=3, the default value is 0;
When Y=4, the default value is 0;
Integer from 0
to 12
When Y=5, the default value is 4;
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).
Descriptions
Account->Codec
Appendix
Web Setting Path
127