SATSPEEDBOX III R7920 Manual
Page 37
Jitter Buffer Control
In SATSPEEDBOX III R7920 VoIP device, the jitter buffer control is a shared data
area where voice packets can be stored, collected and sent to the voice shared Buffer
in evenly spaced intervals. Modify in packets arrival time, called jitter, can occur
because of network congestion, timing drift, or route changes.
Min delay (ms): Select min delay buffer time.( 40ms – 100 ms)
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 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
A setting to adjust the loop current
Polarity Reversal
As Callee Answer - Check this box to generate line polarity reversal while the remote
user picks up the phone call. As Callee On-Hook - Check this box to generate line
polarity reversal while the remote user hangs off the phone call.
