D-Link DPH-400G - Phone; Dsp Configuration

8.3.4 Phone
8.3.4.1 Audio
In this page, you can configure voice codec, input/output volume and so on.
DSP Configuration
Field name
explanation
First Codec
The first preferential DSP
codec:G.711A/U,G.722,G.723.1, G.726-32,
G.729AB,ILBC,AMR,AMR-WB
Second Codec
The second preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32,
G.729AB,ILBC,AMR,AMR-WB,NONE
Third Codec
The third preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32 , G.729AB,
ILBC,AMR,AMR-WB,NONE
Fourth Codec
The forth preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32 , G.729AB,
ILBC,AMR,AMR-WB,NONE
Fifth Codec
The fifth preferential DSP codec:
G.711A/U,G.722,G.723.1, G.726-32, G.729AB,