Voipdb Echo Canceller Setup - NEC SL2100 Programming Manual

ISSUE 2.0
Program 84 : Hardware Setup for VoIPDB
Level:
IN
Description
Use Program 84-31 : VoIPDB Echo Canceller Setup to sets VoIPDB echo canceller value.
Input Data
Type
Profile
Item Item
No.
01 TDM Echo Can-
celler mode
02 TDM Echo Can-
celler NLP
mode(2W)
03 TDM Echo Can-
celler Com-
fortNoise mode
04 TDM Echo Can-
celler NLP
Threshold
05 TDM Echo Can-
celler Tail Dis-
placement
Programming Manual

84-31 : VoIPDB Echo Canceller Setup

Input Data
0 = Disable Select echo Canceler on/off at re-
1 = Enable ceiving (TDM) side.
0 = Disable Select Echo Compression Mode for
1 = Enable remaining echo. Effective when
PRG 84-31-01 = 1
0 = Disable Normally not used.
1 = Enable Do not change the setting unless
asked to change by engineer. Select
comfort noise as background noise.
Effective when PRG 84-31-01 = 1
0 ~ 15 (for VoIPDB Normally not used.
mode) Do not change the setting unless
0 ~ 12 (for Built-In VoIP asked to change by engineer.
mode) Set Residual Echo suppression
threshold value.
When this value is set smaller, the
echo suppression control is getting
stronger but the sound drop-out may
occurred.
This program is effective when PRG
84-31-02 = 1.
0 ~ 87 (0 ms ~ 870 ms) Normally not used.
Do not change the setting unless
asked to change by engineer.
Effective when PRG 84-31-01 = 1
1 = H323 Trunk
2 = Networking
3 = SIP Trunk
4 = SIP Extension
5 = Reserved
6 = Reserved
7 = IP-MLT
1 ~ 6
Description
This program is only effective
when a Built-In VoIP is used.
SL2100
Default Related
Program
1
1
1 84-31-01
12
0 84-31-01
2-559
Program
84