The sixth preferential DSP codec:
G.711A/U,G.722,G.723.1,
G.726-32,G.729AB,ILBC,AMR,AMR-WB,NONE
The seventh preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32,
G.729AB,ILBC,AMR,AMR-WB,NONE
The eighth preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32, G.729AB,
ILBC,AMR,AMR-WB,NONE
The ninth preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32, G.729AB,
ILBC,AMR,AMR-WB,NONE
Specify the least reflection time of Hand down, the
default is 200ms.
Specify Handset Volume grade.
Specify Speakerphone Volume grade.
Specify Headset Volume grade.
Specify Headset Ring Volume grade
Specify Speakerphone Ring Volume grade
5.3kb/s or 6.3kb/s is available
Select it or not to enable or disable VAD. If enable
VAD, G729 Payload length could not be set over
20ms.
the phone will play MWI tone when a new MWI
comes