Welltech WG26xx Series V.1.08a - Manual (Page 53)

26xx Technical Manual EN-V108
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3.4.4 Voice Setting
Jitter Buffer
Minimal Delay Specify the minimal delay of the jitter
buffer. The range is 0~150 ms and the
default setting is 0 ms.
Maximal Delay Specify the maximal delay of the jitter
buffer. The range is 0~200 ms and the
default setting is 200 ms.
OPTFactor Specify the dynamic jitter buffer frame
error/delay optimization factor, the
range is 0~13.
VAD Enable/Disable the VAD (Voice Activity
Detection) feature. This is supported
on all codices that the FXS-FXO equips.
Echo cancellation Enable/Disable the echo cancellation
feature. The default setting is
“Enable”.
Local voice volume Specify the volume gain of the voice in
the local side (+5~-20 db, default is -3