PLANET VIP-2020PT - Manual (Page 74)

Enterprise HD PoE IP Phone
VIP-2020PT
If User dialed phone number
starts with User set phone
number. The phone will send
out User dialed phone number
adding suffix number.
When User dial
“147”, the SIP1
server will receive
“1470011”.
8.3.4 PHONE
8.3.4.1 AUDIO
On this page, User can configure voice codec, input/output volume and so on.
AUDIO Configuration
Field name Explanation
First Codec
The first preferential DSP codec: G.711A/u, G.722,
G.723.1,726-32 G.729AB,None.
Second Codec
The second preferential DSP codec: G.711A/u, G.722,
G.723.1,726-32 G.729AB,None.
Third Codec
The third preferential DSP codec: G.711A/u, G.722,
G.723.1,726-32 G.729AB,None.
Fourth Codec
The forth preferential DSP codec: G.711A/u, G.722, G.723.1,
726-32 G.729AB, None.
Fifth Codec
The fifth preferential DSP codec: G.711A/u, G.722, G.723.1,
726-32 G.729AB, None.
Sixth codec
The sixth preferential DSP codec: G.711A/u, G.722, G.723.1,
726-32 G.729AB, None.
Handset Input Volume Specify Input (MIC) Volume grade.
G729AB Payload Set G729 Payload Length.