NEC NEAX2000 ND-91649 - Manual (Page 53)

ND-91649(E) CHAPTER 5
Page 45
SPECIFICATIONS
IP Specifications
Table 5-2 IP Specifications
ITEM SPECIFICATIONS REMARKS
Voice Encoding G.729a
G.723.1 (5.3 k/6.3 k)
G.711 8 kbps CS-ACELP
MP-MLQ/ACELP
64 Kbps PCM
IP PAD 8/32 channels per card
Automatically seized per call
FAX Relay Method (T.30) G3 FAX (up to 14.4 Kbps)
Super G3 Reciprocal: Not allowed
FAX communication with H.323:
Not available
PN-32IPLA/PN-32IPLA-A (IP
PAD) card
(PN-8IPLA (IP PAD) card is not
available.) FAX Communication
Feature
FAX Relay Method
(Path-through (G.711/G.726)) PN-8IPLA (IP PAD) card
(PN-32IPLA/PN-32IPLA-A (IP
PAD) card is not available.)
DTMF Signal H.245 H.323 IPT/IP PAD/D term IP
H.245 D term IP-to-D term IP connection
D term IP-to-IP PAD connection
PROTIMS over IP D term IP-to-2000 IPS connection
CCIS over IP Point-to-Multipoint connection
Inter-office/Intra-office
Signaling
H.323 H.323 IPT/4VCT card and IP PAD
card are required
Jitter Control Dynamic Jitter Buffer
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)
D term IP/
CCIS
Virtual
IPT
(32IPLA
+ 16VCT)
10 ms. -40 ms.
(G.723.1: 30 ms. fixed)
Note Max. voice channels per card
G.729a G.711 G.723.1
10 ms: 12 ch 12 ch -
20 ms: 20 ch 20 ch -
30 ms: 30 ch 30 ch 24 ch
40 ms: 32 ch 32 ch -
D term IP/
CCIS
Virtual
IPT
(8IPLA
+
24IPLA)
10 ms. -40 ms.
(G.723.1: 30 ms. fixed)
Max. voice channels per card
G.729a G.711 G.723.1
10 ms: 20 ch 20 ch -
20 ms: 32 ch 32 ch -
30 ms: 32 ch 32 ch 24 ch
40 ms: 32 ch 32 ch -
Payload
Size
H.323
IPT 20 ms.-40 ms. (10 ms. increments)
(G.723.1: 30 ms. fixed) Max. voice channels per card
G.729a G.711 G.723.1
20 ms: 6 ch 5 ch -
30 ms: 8 ch 7 ch 8 ch
40 ms: 12 ch 10 ch -