Yealink SIP-T54S Administrator's Manual page 889

Configuring Audio Features
Permitted
Parameters Default
Values
G722_1c_48, G722_1c_32, G722_1c_24, G722_1_24, G726-16, G726-24,
G726-32, G726-40, iLBC, Opus
Default:
When audio codec is G722_1c_48, the default value is 121;
When audio codec is G722_1c_32, the default value is 122;
When audio codec is G722_1c_24, the default value is 123;
When audio codec is G722_1_24, the default value is 124;
When audio codec is G726-16, the default value is 103;
When audio codec is G726-24, the default value is 104;
When audio codec is G726-32, the default value is 102;
When audio codec is G726-40, the default value is 105;
When audio codec is iLBC, the default value is 106;
When audio codec is opus, the default value is 107;
Example:
ccount.1.codec.g722_1c_48kpbs.rtpmap = 121
account.1.codec.g722_1c_32kpbs.rtpmap = 122
account.1.codec.g722_1c_24kpbs.rtpmap = 123
account.1.codec.g722_1_24kpbs.rtpmap = 124
account.1.codec.g726_16.rtpmap = 103
account.1.codec.g726_24.rtpmap = 104
account.1.codec.g726_32.rtpmap = 102
account.1.codec.g726_40.rtpmap = 105
account.1.codec.ilbc.rtpmap = 108
account.1.codec.opus.rtpmap = 107
Note: The name of audio codec in this parameter should be the correct one as listed in
the above example, otherwise the corresponding configuration will not take effect.
Web User Interface:
None
Phone User Interface:
None
opus-fb to Refer to the
account.X.codec.opus.para
opus-nb following content
Description:
Configures the sample rate of the opus audio codec for account X.
X ranges from 1 to 16 (for SIP-T54S/T48S/T46S)
X ranges from 1 to 12 (for SIP-T52S/T42S)
863