– A5 –
ND-71503(E) Rev.5.0
9papa001.fm
IP Specifications
Continued on next page
NOTE 1:
When no 16VCT card is mounted, the CODEC type is fixed to G.711 and the payload size is
fixed to 40 ms..
NOTE 2:
When only PN-8IPLA card is mounted, the maximum voice channels per IP-PAD is fixed to 8-
channel.
ITEM
SPECIFICATIONS
REMARKS
Quality of Service
(QoS)
• TOS, IP Precedence
• DiffServ
LAN Interface
10BASE-T/100BASE-TX
Auto Negotiation is available.
100BASE-TX is recommended.
Echo Canceller
(IP-PAD)
G.168 (64 ms.)
Payload Size CCIS
Virtual
IPT
(32IPLA
+ 16VCT)
10 ms.-40 ms.
(G.723.1: 30 ms. fixed)
NOTE 1
Maximum voice channels per card
G.729a G.711 G.723.1
10 ms.: 12ch
12ch
-
20 ms.: 20ch
20ch
-
30 ms.: 30ch
30ch
24ch
40 ms.: 32ch
32ch
-
CCIS
Virtual
IPT
(8IPLA +
24IPLA)
10 ms.-40 ms.
(G.723.1: 30 ms. fixed)
NOTE 2
Maximum voice channels per card
G.729a G.711 G.723.1
10 ms.: 20ch
20ch
-
20 ms.: 32ch
32ch
-
30 ms.: 32ch
32ch
24ch
40 ms.: 32ch
32ch
-
CCIS IPT 10 ms.-40 ms.
(G.723.1: 30 ms. fixed)
Maximum voice channels per card
G.729a G.711 G.723.1
10 ms.: 4ch
4ch
-
20 ms.: 8ch
8ch
-
30 ms.: 16ch
16ch
16ch
40 ms.: 16ch
16ch
-
H.323
IPT
20 ms.-40 ms. (10 ms. increments)
(G.723.1: 30 ms. fixed)
Maximum voice channels per card
G.729a G.711 G.723.1
20 ms.: 6ch
5ch
-
30 ms.: 8ch
7ch
8ch
40 ms.: 12ch
10ch
-
SEPTEMBER/15/2004
IP SPECIFICATIONS
CÔNG TY VIỄN THÔNG VIỆT PRO
Chuyên phân phối tổng đài NEC
http://vietpro.com.vn