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Administration for Network Connectivity
555-233-504 — Issue 1 — April 2000 CID: 77730
Preface
This book describes how to administer connections between DEFINITY
®
ECS switches (csi, si, and
r models). The main focus is on TCP/IP for DCS signaling, introduced with DEFINITY Release 7,
and H.323 trunks, introduced with DEFINITY Releases 8.
Purpose
This document provides the information needed to understand and administer the connections between
DEFINITY ECS systems in a network using IP connections. It does not cover the installation or upgrade
procedures for establishing physical connectivity between DEFINITY switches or for connecting the CMS and
Intuity AUDIX adjuncts to a DEFINITY switch — that information is contained in the upgrades and installation
documents listed in the References section.
Audience
This document is intended for anyone involved in planning, designing, or administering DEFINITY ECS
systems as part of networks using IP connectivity.
Issue Status
First issued for DEFINITY ECS Release 7, this update includes Release 8 new hardware and administration, as
described below.
IP Interface assembly The Release 8 IP Interface assembly is a 3-slot wide TN802B circuit pack. It enables
the transmission of voice and signaling data over IP connections. It can be used in one
of two operating modes:
• MedPro mode — enables H.323 tie trunks over IP connections
• IP trunk mode (as in Release 7) — enables emulation of DS1 trunks over IP
connections.
Each IP Interface assembly operates in either Medpro mode or IP trunk mode for all
trunks assigned to it — it cannot mix modes. The MedPro mode is the normal
operating mode for R8 systems. The IP Trunk mode is used only for compatibility
with existing R7 systems that cannot be upgraded to R8.
The C-LAN (TN799B) circuit pack is required to handle signaling for the Medpro
mode. C-LAN can be used, but is not required, for signaling in the IP Trunk mode.
Administration for the MedPro mode includes the H.323 trunking introduced with
Release 8 and is documented in Chapter 2. Administration for the IP trunk mode is
documented in Appendix F and is unchanged from Release 7.