Nortel Networks NN43001-563 User Manual
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Overview of IP Trunk 3.01
Contents
This section contains information on the following topics:
"Startup and registration" (page 23)
"IP Trunk 3.01 (and later) and CS 1000S/CS 1000M" (page 25)
"IP Trunk 3.01 (and later) requirements" (page 27)
"Package requirements" (page 27)
"Interoperability with the ITG 8-port trunk card" (page 28)
Introduction
The IP Trunk 3.01 (and later) software application is an Internet Telephony
Gateway (ITG) trunk software application that maintains the functionality of
ITG Trunk 2.x using Integrated Services Digital Network (ISDN).
IP Trunk 3.01 (and later) allows networks with Meridian 1 IP-enabled
systems to add a CS 1000 system to the existing IP Telephony network.
This increases the range of system options to provide enterprise-wide
telephony services.
IP Trunk 3.01 (and later) provides call-routing flexibility and survivability.
Even with a Signaling Server acting as a centralized authority for routing
IP Telephone calls, IP Trunk can make some call-routing decisions locally.
This can be done for one of the following reasons:
•
It can maintain at least a minimum level of service in the unlikely event
that all Signaling Servers on the network are unreachable.
•
It can maintain the existing functionality within a pre-existing ITG Trunk
network that was upgraded to IP Trunk 3.01 (and later).
Nortel Communication Server 1000
IP Trunk Fundamentals
NN43001-563
01.01
Standard
Release 5.0
30 May 2007
Copyright © 2007, Nortel Networks
.