□Max delay (ms): Select Max delay Buffer time.( 130ms – 300ms)
□Optimization factor: Controls quickly the length of the Jitter Buffer is increased when Voice RTP on the
network. .Default is 7
□Voice Active Detector - It is used in speech encoding software to determine if the voice being encoded is
human speech or background noise
Voice Activity Detection
If this function is enabled, when silence is occurred for a period of time, no data will be sent across the
network during this period in order to save bandwidth.
(If you use Asterisk, please disable Silence Compression, it maybe make you call disconnect.)
G.168 Echo cancelation
Select the tail lengths of 1ms, 2ms, 4ms, 8ms, 16ms, 32ms
Voice Volume control
□(Phone In)Speaker Voice Gain (db)- Sets a specific sound intensity for receiving sound. Select a level from
-32 to 31,
□(Phone out)MIC Voice Gain (db)- Sets a specific sound intensity for transmitting sound. Select a level
from -32 to 31,
Loop Current
Select the loop current
Polarity Reversal
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