NEC NEAX NDA-24349 - Manual (Page 75)

Chapter 3 System Highlights
NEAX2000 IPS Request For Proposal (RFP) Reference Guide Page 3-23
NDA-24349 Issue 4
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
32 channels per card
Automatically seized per call
FAX
Communication
Feature
FAX Relay Method (T.30) IP
PAD card is required.
G3 FAX (up to 14.4 kbps)
Super G3 Reciprocal: Not allowed
DTMF Signal H.245 H.323 IPT/IP-PAD/Dterm 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 NEAX 2000 IPS
connection
CCIS over IP Point to Multipoint connection
Inter-office/Intra-office
Signaling
H.323
H.323 IPT card and IP-PAD card
are required
Jitter Control
Dynamic Jitter Buffer
QoS
(Quality of Service)
• TOS, IP Precedence
• DiffServ
LAN Interface
10BASE-T/100BASE-TX
Auto Negotiation is available.
100BASE-TX is recommended.
Echo Canceller
(IP-PAD)
G.168
D term
IP/CCIS
Virtual IPT
10 ms-40 ms
(G.723.1: 30 ms unit)
Max. voice channels per card
10 ms: 12 ch
20 ms: 20 ch
30 ms: 30 ch
40 ms: 32 ch
Payload
Size
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 -
0 dB to +16 dB (+2 dB unit)
0 dB to –16 dB (–2 dB unit)
Setting is available per Location No.
PAD Control
0 dB to –16 dB For connection via the IPT card
LAN interface transmission modes
100 Mbps fixed mode 10 Mbps fixed mode
Device type
Auto
negotiation Full Duplex Half Duplex Full Duplex Half Duplex
MP (M606) X (Default) X — — —
32IPLA/32IPLA-A X (Default) X X — X
8IPLA X (Default) X — — —
X = available — = not available