Dt800/Dt700 Multiline Codec Basic Information Setup - NEC SL2100 Programming Manual

SL2100
84-24 : DT800/DT700 Multiline CODEC Basic Information
Level:
IN
Description
Program
Use Program 84-24 : DT800/DT700 Multiline CODEC Basic Information Setup to set the codec of
each type of DT800/DT700 Multiline Telephone.
84
Input Data
Item
No.
01 Number of G.711 Au-
dio Frame
02 G.711 Silence Detec-
tion (VAD) Mode
03 G.711 Type
04 G.711 Jitter Buffer -
Minimum
05 G.711 Jitter Buffer -
Average
06 G.711 Jitter Buffer -
Maximum
07 G.729 Audio Frame
2-552
Program 84 : Hardware Setup for VoIPDB
Type
Item Input Data
1 = 10 ms
2 = 20 ms
3 = 30 ms
4 = 40 ms
0 = Disable
1 = Enable
0 = A-law
1 = μ-law
0 ~ 300 ms (for VoIPDB
mode)
10 ~ 300 ms* (for Built-In
VoIP mode)
1 ~ 4
(1 = 10 ms, 2 = 20 ms,
etc.)
1 = Type 1
2 = Type 2
3 = Type 3
4 = Type 4
5 = Type 5
Description
Maximum number of G711 Audio Frames.
When the voice is encoded using the PCM
(Pulse Code Modulation) method, a unit is
a frame of 10ms.
The Audio Frame size setting is only from
IP phone to IP phone. When the IP phone
communicates to a TDM device it will al-
ways use a 20 ms frame size.
Select whether to compress silence with
G.711. When there is silence, the RTP
packet is not sent.
When VAD is enabled the CPU will stop
sending silence packets but the IP phone
will continue to transmit silence packets.
Set the type of G.711.
Set the minimum value of the G.711 Jitter
Buffer.
Set the average value of the G.711 Jitter
Buffer.
Set the maximum value of the G.711 Jitter
Buffer.
Maximum number of G.729 Audio Frames.
G.729 assumes the audio signal made by
a specimen by 8 kHz and the frame of 10
ms is assumed to be a unit to 8 kbps by
the encoding compressed method.
The Audio Frame size setting is only from
IP phone to IP phone. When the IP phone
communicates to a TDM device it will al-
ways use a 20 ms frame size.
Program 84 : Hardware Setup for VoIPDB
ISSUE 2.0
Setup
Default
2
0
1
20
40
80
2