Yealink SIP-T3 Administrator's Manual page 202

When the audio codec is G723(53 kbps), the default value is 0;
When the audio codec is G723(63 kbps), the default value is 0;
When the audio codec is Opus, the default value is 0;
When the audio codec is iLBC(15.2kbps), the default value is 0;
When the audio codec is iLBC(13.33kbps), the default value is 0;
When the audio codec is G729AB, the default value is 0;
Web UI Account > Codec > Audio Codec
Parameter account.X.codec.opus.para
Description It configures the sample rate of the Opus audio codec.
opus-fb-Opus-FB (48KHz) (only for
T57W/T54W/T53W/T53/T53C/T48U/T46U/T43U/T42U/CP920/CP925/CP935W)
opus-swb-Opus-SWB (24KHz) (only for
T57W/T54W/T53W/T53/T53C/T48U/T46U/T43U/T42U/CP920/CP925/CP935W)
Permitted
opus-wb-Opus-WB (16KHz)
Values
opus-mb-Opus-MB (12KHz) (only for
T57W/T54W/T53W/T53/T53C/T48U/T46U/T43U/T42U/CP920/CP925/CP935W)
opus-nb-Opus-NB (8KHz)
Default
opus-wb (opus-fb for CP920/CP925/CP935W phones)
Supported
T57W, T54W, T53W, T53, T53C, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920,
Devices CP925, CP935W
Web UI Account > Codec > Opus Sample Rate
Parameter voice.g726.aal2.enable
Description It enables or disables the phone to use the AAL2-G726-16, 24, 32 and 40 MIME type.
Permitted
0-Disabled
Values 1-Enabled
Default 0
Parameter phone_setting.talking_codec_display
It configures the phone not to display the corresponding codec icon when talking codec is AMR or
Opus.
Multiple codecs are separated by commas.
Example:
phone_setting.talking_codec_display = opus,amr
Description
When the phone uses AMR/opus codec to establish a call, the AMR/opus icon will be displayed on
the call screen.
phone_setting.talking_codec_display = opus
When the phone uses AMR codec to establish a call, the AMR icon will not be displayed on the call
screen. When the phone uses opus codec to establish a call, the opus icon will be displayed on the
call screen.
Permitted
opus,amr
Values
[1]
<MAC>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
Audio Features
196