NEC Univerge SV8100 Programming Manual - page 708
Issue 1.0
UNIVERGE SV8100
2 - 668
Program 84 : Hardware Setup for VoIP
Description
Use Program 84-17 : IPL Echo Canceller Control Setup to configure echo
cancellation.
Conditions
None
Feature Cross Reference
None
Program 84 : Hardware Setup for VoIP
84-17 : IPL Echo Canceller Control Setup (IN Level)
Level:
IN
Input Data
Type
4~5
(Type 1, 2 and 3 are not used)
Type 4 = Analog trunks
Type 5 = Digital/MEGACO trunks
Item
No.
Item
Input Data
Default
01
Echo Canceller Mode
0 = Disable
1 = Enable
Type 4 = 1
Type 5 = 1
02
Echo Canceller Tail Size
1 = 8ms
2 = 16ms
3 = 32ms
4 = 64ms
5 = 128ms
Type 4 = 5
Type 5 = 1
03
Echo Canceller NLP Mode
0 = Disable
1 = Enable
Type 4 = 1
Type 5 = 0
04
Echo Canceller NLP Noise Setting
0 = Adaptive
1 = Fixed
0
05
Echo Canceller NLP Noise Level
40~70
(-40dbm~ -70dbm)
60