NEC NEAX2000 IPS System Manual page 325

CÔNG TY VIỄN THÔNG VIỆT PRO
ITEM
Quality of Service
(QoS)
LAN Interface
Echo Canceller
(IP-PAD)
Payload Size CCIS
Virtual
IPT
(32IPLA
+ 16VCT)
CCIS
Virtual
IPT
(8IPLA +
24IPLA)
CCIS IPT 10 ms.-40 ms.
H.323
IPT
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.
Chuyên phân phối tổng đài NEC
IP Specifications
SPECIFICATIONS
• TOS, IP Precedence
• DiffServ
10BASE-T/100BASE-TX
G.168 (64 ms.)
10 ms.-40 ms.
(G.723.1: 30 ms. fixed)
10 ms.-40 ms.
(G.723.1: 30 ms. fixed)
(G.723.1: 30 ms. fixed)
20 ms.-40 ms. (10 ms. increments)
(G.723.1: 30 ms. fixed)
– A5 –
Auto Negotiation is available.
100BASE-TX is recommended.
Maximum voice channels per card
NOTE 1
10 ms.: 12ch
20 ms.: 20ch
30 ms.: 30ch
40 ms.: 32ch
Maximum voice channels per card
NOTE 2
10 ms.: 20ch
20 ms.: 32ch
30 ms.: 32ch
40 ms.: 32ch
Maximum voice channels per card
10 ms.:
20 ms.:
30 ms.: 16ch
40 ms.: 16ch
Maximum voice channels per card
20 ms.:
30 ms.:
40 ms.: 12ch
http://vietpro.com.vn
IP SPECIFICATIONS
REMARKS
G.729a G.711 G.723.1
12ch -
20ch -
30ch 24ch
32ch -
G.729a G.711 G.723.1
20ch -
32ch -
32ch 24ch
32ch -
G.729a G.711 G.723.1
4ch 4ch -
8ch 8ch -
16ch 16ch
16ch -
G.729a G.711 G.723.1
6ch 5ch -
8ch 7ch 8ch
10ch -
Continued on next page
ND-71503(E) Rev.5.0
9papa001.fm
SEPTEMBER/15/2004