Yealink SIP-T58V/A Administrator's Manual page 637

Configuring Audio Features
Parameters Permitted Values Default
the name of audio codec)
content
Description:
Configures the priority of the enabled audio codec for account X.
X ranges from 1 to 16
Valid Audio Codec:
G722.1c(48kb/s), G722.1c(32kb/s), G722.1c(24kb/s), G722.1(24kb/s), G722, PCMU, PCMA,
G729, Opus, G726-40, G726-32, G726-24, G726-16, iLBC, G723_63, G723_53
Default:
When audio codec is G722.1c(48kb/s), the default value is 1;
When audio codec is G722.1c(32kb/s), the default value is 2;
When audio codec is G722.1c(24kb/s), the default value is 3;
When audio codec is G722.1(24kb/s), the default value is 4;
When audio codec is G722, the default value is 5;
When audio codec is PCMU, the default value is 6;
When audio codec is PCMA, the default value is 7;
When audio codec is G729, the default value is 8;
When audio codec is Opus, the default value is 0;
When audio codec is G726_40, the default value is 0;
When audio codec is G726_32, the default value is 0;
When audio codec is G726_24, the default value is 0;
When audio codec is G726_16, the default value is 0;
When audio codec is iLBC, the default value is 0;
When audio codec is G723_63, the default value is 0;
When audio codec is G723_53, the default value is 0;
Example:
account.1.codec.g722_1c_48kpbs.priority = 1
account.1.codec.g722_1c_32kpbs.priority = 2
account.1.codec.g722_1c_24kpbs.priority = 3
account.1.codec.g722_1_24kpbs.priority = 4
account.1.codec.g722.priority = 5
account.1.codec.pcmu.priority = 6
account.1.codec.pcma.priority = 7
account.1.codec.g729.priority = 8
account.1.codec.opus.priority = 0
account.1.codec.g726_40.priority = 0
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