Yealink T46G Administrator's Manual page 300

Yealink Skype for Business HD IP Phones Administrator Guide
When Y=9, the default value is 0;
Example:
account.1.codec.1.enable = 1
It means that the codec PCMU is enabled on the account.
Web User Interface:
Account->Codec
Phone User Interface:
None
account.1.codec.Y.payload_type
(Y ranges from 1 to 11)
Description:
Configures the codec for the account.
Permitted Values:
G722, PCMU, PCMA, G729, G726-16, G726-24, G726-32, G726-40, iLBC, G723_53, G723_63
For T48G/T46G/T42G/T41P:
When Y=1, the default value is PCMU;
When Y=2, the default value is PCMA;
When Y=3, the default value is G723_53;
When Y=4, the default value is G723_63;
When Y=5, the default value is G729;
When Y=6, the default value is G722;
When Y=7, the default value is iLBC;
When Y=8, the default value is G726-16;
When Y=9, the default value is G726-24;
When Y=10, the default value is G726-32;
When Y=11, the default value is G726-40;
For T40P:
When Y=1, the default value is PCMU;
When Y=2, the default value is PCMA;
When Y=3, the default value is G729;
When Y=4, the default value is G722;
When Y=5, the default value is iLBC;
When Y=6, the default value is G726-16;
When Y=7, the default value is G726-24;
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Parameters Permitted Values
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