NEC Univerge SV8100 Programming Manual page 858

Issue 10.1
Item
2 - 822
No.
27
RX (Receive) Gain
Define the setting to amplify and to attenuate
the size of the received voice. The gain given
when the voice packet is received from the
VOIPDB is set.
Not used by IPLB. Echo canceller setup is
84-31 for IPLB.
28
Priority Codec Setting
The option selected here determines what
other codec options are applied by priority.
30 EchoAuto Gain Control
Define the Auto Gain Control.
31
DTMF Payload Number
32
G.722 Audio Frame
Maximum number of G.722 Audio Frames.
G.722 assumes 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.

Softphone (SP310) supports
only 20ms
33
G.722 Silence Compression Mode
Select whether to compress silence with
G.722. When there is silence, the RTP packet
is not sent.
Not used by IPLB
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.
35
G.722 Jitter Buffer - Standard
Set the average G.722 Jitter Buffer.
36
G.722 Jitter Buffer - Maximum
Set the maximum G.722 Jitter Buffer.
37
RTP Filter
To avoid incorrect voice pass connection, this
Program checks the sending side address
from received RTP packet at VoIPDB.
Item
UNIVERGE SV8100
Input Data
0-40 (-20 ~ +20)
0 = -20 dbm
1 = -19 dbm
:
20 = 0 dbm
:
39 = 19 dbm
40 = 20 dbm
0 = G711 PT
1 = Not Used
2 = G729 PT
3 = G.722 PT
0 - 5
96~127
1 = 10 ms
2 = 20 ms
3 = 30 ms
4 = 40 ms
0 = Disable
1 = Enable
0~255ms (Note 2)
0~255ms (Note 2)
0~255ms (Note 2)
0 = Disable
1 = Enable
Program 84 : Hardware Setup for VoIP
Default
20 (0dbm)
0
0
96
3
0
30
60
120
1