Program 84 : Hardware Setup for VoIPDB
84-31 : VoIPDB Echo Canceller Setup
Level:
IN
Description
Use Program 84-31 : VoIPDB Echo Canceller Setup to sets VoIPDB echo canceller value.
Input Data
Type 1 = H.323 Trunk
2 ~ 7 = Not Used
8 = SIP Trunk
9 = SIP Extension
10 = Not used
11 = DR700 Type 1
12 = DR700 Type 2
13 = DR700 Type 3
14 = DR700 Type 4
15 = DR700 Type 5
16 = Not used
Item
No.
Item Input Data Description Default Related
Program
01 TDM Echo Can-
celler mode
0 = Disable
1 = Enable
1
02 TDM Echo Can-
celler NLP
mode(2W)
0 = Disable
1 = Enable
2 = Echo Path Mode
3 = Echo Path Auto De-
tect Mode
1
03 TDM Echo Can-
celler Com-
fortNoise mode
(V2.0 Added)
0 = Disable
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
1 84-31-01
04 TDM Echo Can-
celler NLP
Threshold
0 ~ 15 12
05 TDM Echo Can-
celler Tail Dis-
placement (V2.0
Added)
0 ~ 89 (0 ms ~ 890 ms) Do not change the setting unless
asked to change by engineer.
Effective when PRG 84-31-01 = 1
0 84-31-01
06 TDM Echo can-
celler tail length
(V2.0 Added)
1 = 32 ms
2 = 48 ms
3 = 64 ms
4 = 80 ms
5 = 96 ms
6 = 112 ms
7 = 128 ms
Do not change the setting unless
asked to change by engineer.
Select length of echo. Effective
when PRG 84-31-01 = 1
7 84-31-01
07 TDM Echo Can-
celler Default
ERL Level (V2.0
Added)
0 ~ 6 (- 9 db ~ 9 db)
0 = - 9 db
1 = - 6 db
2 = - 3 db
:
5 = 6 db
6 = 9 db
Do not change the setting unless
asked to change by engineer.
Select length of echo. Effective
when PRG 84-31-01 = 1
5 84-31-01
ISSUE 3.01 SL1000/SL1100
Programming Manual 2-543
Program
84
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