NEC Univerge SV8100 Programming Manual - page 822
Issue 11.0
UNIVERGE SV8100
2 - 780
Program 84 : Hardware Setup for VoIP
22
Echo Canceller NLP Mode
When the NLP mode is
turned on, the voice with low
level is replaced with the
NLP noise. As a result, a low
echo of the level is usually
removed compared with the
conversation level.
Not used by IPLB. Echo
canceller setup is 84-31 for
IPLB.
0 = 2 wire and 4 wire
1 = 2 wire only
1
24
Echo Canceller Cng Cfg
It is invalid if 84-11-22 is
disabled.
Setting of noise level
adjusting method added with
NLP.
0: A set value of the self
adjustment.
1: 84-01-27 is used.
Not used by IPLB. Echo
canceller setup is 84-31 for
IPLB.
0 = Adaptive
1 = Fixed
0
26
TX Gain
Not used by IPLB. Echo
canceller setup is 84-31 for
IPLB.
0~30 (-19dB ~ +10dB,
Auto)
0 = Auto Adjust
1 = -19dB (-49dBm)
:
20 = 0dB (-30dBm)
:
29 = +9dB (-21dBm)
30 = +10dB (-20dBm)
20
27
RX Gain
Not used by IPLB. Echo
canceller setup is 84-31 for
IPLB.
0~40 (-20dBm ~
+20dBm)
0 = -20dBm
1 = -19dBm
:
20 = 0dBm
:
39 = +19dBm
40 = +20dBm
20
Input Data (Continued)
Item
No.
Item
Input Data
Default