User manual
Table Of Contents
AT-640P
User Manual
ATCOM TECHNOLOGY CO. , LIMITED
4.10.
4.10.
4.10.
4.10. Audio
Audio
Audio
Audio Settings
Settings
Settings
Settings
First Codec ： The fist preferential DSP codec: G.711A/u, G722, G.723, G.726-32,
G.729.
Second Codec ： The second preferential DSP codec: G.711A/u, G722, G.723,
G.726-32, G.729.
Third Codec ： The third preferential DSP codec: G.711A/u, G722, G.723,
G.726-32, G.729.
Forth Codec: The Forth preferential DSP codec: G.711A/u, G722, G.723,
G.726-32, G.729.
Fifth Codec: The fifth preferential DSP codec: G.711A/u, G722, G.723, G.726-32,
G.729.
Sixth Codec: The sixth preferential DSP codec: G.711A/u, G722, G.723,
G.726-32, G.729.
Input Volume ： Specify Input (MIC) Volume grade.
Output Volume ： Specify Output (receiver) Volume grade.
Hands free Volume ： Specify Hands free Volume grade.
Ring Volume ： Specify Ring Volume grade .
G729 Payload Length ： Set G729 Payload Length.
Signal Standard ： Select Signal Standard.
G722 Timestamps: 160/20ms or 320/20ms is available.
G723 Bit Rate: 5.3kb/s or 6.3kb/s is available.
Default Ring Type: Select signal standard.
VAD ： Select it or not to enable or disable VAD. If enable VAD, G729 Payload
length could not be set over 20ms.
Handdown Time: Set the time which the phone hang up automatically after call
ended when use handfree mode.