Yealink SIP-T21 E2

Configuring Audio Features
871
Parameters
Permitted
Values
Default
When Y=9, the default value is G726-40;
When Y=10, the default value is opus;
For SIP-T27P:
When Y=1, the default value is PCMU;
When Y=2, the default value is PCMA;
When Y=3, the default value is G729;
When Y=4, the default value is G722;
When Y=5, the default value is iLBC;
When Y=6, the default value is G726-16;
When Y=7, the default value is G726-24;
When Y=8, the default value is G726-32;
When Y=9, the default value is G726-40;
Example:
account.1.codec.1.payload_type = PCMU
Note: It is only applicable to the IP phones running firmware version 81 or prior.
Web User Interface:
Account->Codec->Audio Codec
Phone User Interface:
None
account.X.codec.Y.priority
(X ranges from 1 to 16, Y ranges from 1 to 12)
Integer from 0
to 12
Refer to the
following content
Description:
Configures the priority of the enabled audio codec for account X.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/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/CP860)
Y ranges from 1 to 12 (for SIP-T54S/T52S/T48S/T46S/T42S/T41S/T27G)
Y ranges from 1 to 11 (for SIP-T48G/T46G/T42G/T41P/T29G/CP860)
Y ranges from 1 to 10 (for SIP-T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2)
Y ranges from 1 to 9 (for SIP-T27P)
For SIP-T54S/T52S/T48S/T46S/T42S/T41S: