Yealink SIP T2 Series Provisioning Manual page 132

Yealink IP Phones Auto Provisioning Guide
Parameter
account.1.codec.Y.payload_type
(SIP-T48G: Y ranges from 1 to 12.
SIP-T22(P): Y ranges from 1 to 11.)
126
Permitted
Descriptions
Values
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).
It configures the codec for the account.
PCMU
Example:
PCMA
account.1.codec.1.payload_type = PCMU
G729
When Y=1, the default value is PCMU;
G722
When Y=2, the default value is PCMA;
G726-16
When Y=3, the default value is G723_53;
G726-24
When Y=4, the default value is G723_63;
G726-32
When Y=5, the default value is G729;
G726-40
When Y=6, the default value is G722;
iLBC
When Y=7, the default value is iLBC;
G723_53,
When Y=8, the default value is G726-16;
G723_63
When Y=9, the default value is G726-24;
GSM
When Y=10, the default value is G726-32;
Web Setting Path
Account->Codec