Ip specifications – NEC UNIVERGE NEAX 2000 IPS User Manual
Page 298

Chapter 14 Common Channel Inter-Office Signaling (CCIS) 
 
 
Page 14-20 UNIVERGE
NEAX
2000 IPS Request For Proposal (RFP) Reference Guide
Issue 6
IP Specifications
Item
Specifications
Remarks
Voice Encoding 
 
G.729a 
G.723.1 
G.711 
8 Kbps CS-ACELP 
5.3/6.3 Kbps 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 (IPPAD) card 
(PN-8IPLA (IP-PAD) card is not available.) 
FAX Communication 
Feature 
 
FAX Relay Method 
(Pass-through (G.711/G.726)) 
PN-8IPLA (IP-PAD) card 
(PN-32IPLA (IPPAD) card is not available.) 
DTMF Signal
H.245
H.323 IPT/IP-PAD/DtermIP
H.245 
 
DtermIP-to-DtermIP connection 
DtermIP-to-IP-PAD connection 
PROTIMS over IP
DtermIP-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.)
DtermIP/ 
CCIS 
Virtual 
IPT 
(32IPLA + 
16VCT) 
10 ms.-40 ms. 
(G.723.1: 30 ms. fixed) 
 
 
Maximum voice channels per card
G.729a G.711 G.723.1
10 ms.: 12 ch 12ch _ 
20 ms.: 20 ch 20ch _ 
30 ms.: 30 ch 30ch 24ch 
40 ms.: 32 ch 32ch _ 
DtermIP/ 
CCIS 
Virtual 
IPT 
(8IPLA + 
24IPLA) 
10 ms.-40 ms. 
(G.723.1: 30 ms. fixed) 
 
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 - 
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 increments) 
0 dB to –16 dB (–2 dB increments) 
Setting is available per Location No. 
For connection between DtermIPs 
PAD Control
0 dB to –16 dB (For North America) 
0 dB to –12 dB (Outside North 
America) 
For connection via the IPT card 
 
