Yealink SIP-T2 Series

Configuring Audio Features
809
Parameters
Permitted
Values
Default
Account->Codec->Audio Codec
Phone User Interface:
None
account.X.codec.<payload_type>.rtpmap
(where <payload_type> should be replaced by
the name of audio codec)
Integer
from 0 to 127
Refer to the
following content
Description:
Configures the rtpmap of the audio codec for account X.
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2)
Valid Audio Codec:
For SIP-T48G/T48S/T46G/T46S/T42G/T42S/T41P/T41S/T29G/T27P/T27G:
G726-16, G726-24, G726-32, G726-40, iLBC
For SIP-T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2:
G726-16, G726-24, G726-32, G726-40, iLBC, opus
Default:
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:
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