NEC UNIVERGE NEAX 2000 IPS Reference Manual page 262

Chapter 13 Voice Over IP (VoIP)
H.323 IP Trunk Specifications
Description
QoS signaling
Speech encoding/decoding
Payload size
Call model
H.323 procedure
Supplementary service (defined in H.450)
Registration on Gatekeeper
DHCP server
FAX communications
PAD control
Echo canceller
Tandem connection
IPT connection mode
Dynamic jitter buffer
Required Equipment for H.323
Equipment Name
SPN-IPTB-A
PN-IPT
SPN-4VCTI-A
W/Cable
Page 13- 20
Functional Name
IPT
VCT
UNIVERGE
Specifications
IP Precedence/DiffServ
(assigned on an IP trunk basis)
G.711/G.729a/G.723.1
G.711/G.729a : 20 ms, 30 ms, 40 ms
G.723.1 : 30 ms (fixed)
Gatekeeper Routed/Direct
Normal Connect/Fast Connect
Not available
Static registration
Not supported
Not available
Controlled in a node basis
Controlled in a node basis
IPT to IPT/IPT to ACIS
: available (but voice quality may deteriorate)
IPT to CCIS : available
IPT to ISDN : available
IPT to analog C.O. : available
IPT to MFC : not available
Point to Multipoint
10 to 600 ms (10 ms increment)
IP Trunk Card Accommodates the IP network and
transmits/receives compressed voice or signals over IP
network. 10 BASE-T/100 BASE-TX twisted pair cable is
connected directly to this card.
4-channel CODEC Card for IP Trunk (max of four per IPTB)
Voice compression protocols:
G723.1, G729A, G711, FAX (14.4 kbps),DTMF signals
Used together with PN-IPTB card.
2000 IPS Request for Proposal (RFP) Reference Guide
NEAX
Function
Issue 6