Yealink SIP-T2 SERIES Administrator's Manual page 867

The corresponding attributes of the codec are listed as follows:
For SIP-T48G/T46G/T42G/T41P/T40P/T29G/T27P/T23P/T23G/T21(P) E2/T19(P) E2:
Codec
G722
PCMU
PCMA
G729
G723_53
G723_63
G723
G726-16
G726-24
G726-32
G726-40
iLBC
Opus
For SIP VP-T49G:
Codec
G.722.1C(48kb/s)
Configuration
Methods
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration Files
Web User Interface
Configuration
Methods
Configuration Files
Web User Interface
Configuring Audio Features
Priority RTPmap
1 9
2 0
3 8
4 18
0 4
0 4
0 4
0 103
0 104
0 102
0 105
0 106
0 107
Priority RTPmap
0 121
843