Organization of this Guide

This guide provides information for developing ISDN applications and details specific usage of GlobalCall functions in ISDN applications as follows:

Chapter1, Developing ISDN Applications, presents guidelines for developing ISDN applications.

Chapter2, Applying GlobalCall Functions to ISDN Applications, describes the additional functionality of specific GlobalCall functions used for developing ISDN applications.

Chapter3, Sequence of Function Calls in ISDN, provides asynchronous and synchronous programming models for using GlobalCall functions in ISDN applications.

Chapter4, Data Structure Reference, describes ISDN specific data structures and the elements of these data structures.

Chapter5, Protocols, describes the protocol conventions and programming considerations to be used when incorporating ISDN protocol(s) into your application.

Chapter6, Debugging Applications, describes the diagnostic tools available for debugging ISDN applications in a GlobalCall environment.

Appendix A, "Establishing ISDN Connections", contains guidelines for establishing ISDN connections.

Appendix B, "ISDN Call Scenarios", describes ISDN call scenarios for both asynchronous and synchronous applications.

Appendix C, "BRI Supplemental Services", describes BRI supplemental services.

Appendix D, "IEs and ISDN Message Types for DPNSS", lists the information elements (IEs) and ISDN message types in the ISDN software library that support the DPNSS protocol.

An index follows the appendices.

For additional information on ISDN technology or Dialogic products, refer to the "Related Publications" appendix in the GlobalCall API Software Reference.

For a glossary of terms, see the GlobalCall API Software Reference.

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