NEC UNIVERGE NEAX 2000 IPS, General Description Manual

Page: 182 / 191

CHAPTER 7 SPECIFICATIONS
UNIVERGE NEAX 2000 IPS General Description
Page 178
Issue 5
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/DtermIP
H.245
DtermIP to DtermIP connection
DtermIP to IP-PAD connection
PROTIMS over IP
DtermIP to
UNIVERGE 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
DtermIP/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