Dr700 Multiline Codec Basic Information Setup - NEC SL 1000 Programming Manual

ISSUE 3.01
Program 84 : Hardware Setup for VoIPDB

84-24 : DR700 Multiline CODEC Basic Information Setup

Level:
IN
Description
Use Program 84-24 : DR700 Multiline CODEC Basic Information Setup to set the codec of each
type of DR700 Multiline Telephone.
Input Data
Type
Item 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 -
Standard
06 G.711 Jitter Buffer -
Maximum
07 G.729 Audio Frame
Programming Manual
Input Data
1 = 10 ms Maximum number of G711 Audio Frames.
2 = 20 ms When the voice is encoded using the PCM
3 = 30 ms (Pulse Code Modulation) method, a unit is
4 = 40 ms 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.
0 = Disable Select whether to compress silence with
1 = Enable 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.
0 = A-law Set the type of G.711.
1 = μ-law
0 ~ 255 ms Set the minimum value of the G.711 Jitter
Buffer.
0 ~ 255 ms Set the average value of the G.711 Jitter
Buffer.
0 ~ 255 ms Set the maximum value of the G.711 Jitter
Buffer.
1 ~ 4 Maximum number of G.729 Audio Frames.
(1 = 10 ms, 2 = 20 ms, G.729 assumes the audio signal made by
etc.) 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.
1 = Type 1
2 = Type 2
3 = Type 3
4 = Type 4
5 = Type 5
Description
Softphone (SP310) only supports 20 ms
or 40 ms.
Softphone (SP310) only supports 20 ms
or 40 ms.
SL1000/SL1100
Program
84
Default
2
0
0
20
40
80
2
2-535