NEC SL1000 - Page 513

Item No. Item Input Data Default
09 G.729 Jitter Buffer - Minimum
Set the minimum value of the Jitter Buffer of G.729 is set.
Jitter is the variation in the time between packets arriving
and the buffer allows this variation to be absorbed.
0 ~ 300 ms 20
10 G.729 Jitter Buffer - Standard
Set the average G.729 Jitter Buffer.
0 ~ 300 ms 40
11 G.729 Jitter Buffer - Maximum
Set the maximum G.729 Jitter Buffer.
0 ~ 300 ms 80
17 Jitter Buffer Mode Set the mode of the Jitter Buffer.
1 = Size set to the fixed amount for the codec.
2 = The minimum/maximum range for the codec is used.
3 = The minimum/maximum range for the codec is used
and adjust at any time, regardless of silence.
1 = static
3 = adaptive immediately
3
18 Silence Compression (VAD) Threshold
Set the voice level judged to be silence. Change value
based .30
This entry is ignored if silence compression is disabled in
84-01-03 with G.711, or 84-01-06 with G.729.
1~30
(self-adjustment and - 19 dB ~ +
10dB)
1=-19dB(-49dBm)
:
20=0dB(-30dBm)
:
29 = 9 dBm (- 21 dBm)
30 = 10dBm (- 20dBm)
20
28 Priority Codec Setting
The option selected here determines what other codec
options are applied by priority.
0=G711PT
2=G729PT
3 = G.722 PT
0
30 EchoAuto Gain Control
Define the Auto Gain Control.
0~5 0
31 DTMF Payload Number 96 ~ 127 96
32 G.722 Audio Frame
Maximum number of G.722 Audio Frames. G.722 as-
sumes the audio signal made by a specimen by 16kHz
and the frame of 10ms is assumed to be a unit to 64kbps
by the encoding compressed method.
The Audio frame size setting is only from IP phone to IP
phone. When the IP phone communicates to a TDM de-
vice it will always use a 20 ms frame size.
Softphone (SP310) only supports 20 ms.
1=10ms
2=20ms
3=30ms
4=40ms
3
34 G.722 Jitter Buffer - Minimum
Set the minimum value of the Jitter Buffer of G.722 is set.
Jitter is the variation in the time between packets arriving
and the buffer allows this variation to be absorbed.
0 ~ 255 ms 30
35 G.722 Jitter Buffer - Standard
Set the average G.722 Jitter Buffer.
0 ~ 255 ms 60
36 G.722 Jitter Buffer - Maximum
Set the maximum G.722 Jitter Buffer.
0 ~ 255 ms 120
37 RTP Filter 0=Disable
1=Enable
1
38 DTMF Level mode 0 = Use the Default of VoIPDB Unit
1 = Use the Main System
0
39 DTMF Level High 1=-33dBm
:
28=-6dBm
28
40 DTMF Level Low 1=-33dBm
:
28=-6dBm
28
Conditions
None
ISSUE 1.0 SL1000/SL1100
Program
84
Programming Manual 2-491