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NMS ISDN Management API
Developer's Reference Manual

P/N 6722-13temp
Version

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Table of Contents

1 Introduction

1.1 Introduction
1.2 ISDN
1.2.1 ISDN Carriers
1.2.2 ISDN Service Messages
1.3 IMGT Service Software Components
1.3.1 The NMS ISDN Management API Function Library
1.3.2 The Header Files
1.3.3 IMGT Service Downloadable Object Module
1.3.4 The Demonstration Program
1.4 The readme File
1.5 Other Components
1.5.1 Natural Access
1.5.2 Contexts and Event Queues
1.5.3 oamsys and the OAM Configuration File
1.5.4 agmon and the AG Configuration File
1.6 Developing an IMGT Application

2 The NMS ISDN Management API

2.1 Introduction
2.2 NMS ISDN Management API Application Overview
2.3 Setting up the Natural Access Environment
2.4 Setting Up the IMGT Service
2.4.1 Initializing the IMGT Service
2.4.2 Opening the IMGT Service
2.5 Starting a Management Session
2.5.1 Network Access Identifiers (NAIs)
2.6 Sending IMGT Messages to the Stack
2.7 Receiving Events and IMGT Messages
2.7.1 Receiving IMGT Messages
2.8 Stopping a Management Session

3 Alphabetical Function Reference

3.1 Introduction imgtReleaseBuffer 31

imgtSendMessage 33

imgtStart 35

imgtStop 38

4 Data Structures

4.1 Introduction
4.2 Messaging Structures
4.2.1 IMGT_MESSAGE Structure
4.2.2 IMGT_MSG_PACKET Structure
4.2.3 IMGT_CONFIG Structure
4.3 Primitive-related Structures IMGT_B_CHANNEL_STATUS_CO 43

IMGT_B_CHANNEL_STATUS_RQ 44

IMGT_RESTART_IN 45

IMGT_SERVICE_CO 46

IMGT_SERVICE_IN 47

IMGT_SERVICE_RQ 48

5 Demonstration Program

5.1 Introduction
5.2 IMGT Service Demo Program: imgtdemo
5.2.1 imgtdemo Structure
5.2.2 Program Initialization
5.2.3 User-Input Thread
5.2.4 Event-Handler Thread

Appendix A Event and Error Summary

Introduction
NMS ISDN Management API Events
Numerical Events Summary
NMS ISDN Management API Errors
Alphabetical Error Summary
Numerical Error Summary

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