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1. How To Use This Guide
This ISDN Software Reference is intended for users who have purchased a
Dialogic board that provides ISDN Primary Rate or Basic Rate connectivity and a
Dialogic system software and SDK release for either LINUX or Windows.
Installation instructions for the ISDN Package software are provided in the release
notes or for system software and SDK releases, in the Getting Started booklet in
the CD-ROM jewel case. Refer to the appropriate hardware Quick Install card to
install the Dialogic ISDN boards and any other Dialogic boards in the system.

1.1. Products Covered by this Guide

For information on the boards that are supported with the ISDN Package software
being used, see the Release Notes for the Package or the Release Catalog for the
System Software and SDK release that includes the ISDN Package.

1.2. Organization of this Guide

The ISDN Software Reference includes an overview of the Dialogic ISDN digital
telephony interface and a complete reference to the Dialogic LINUX and
Windows C library functions for ISDN Primary Rate Interface (PRI) and Basic
Rate Interface (BRI) support. It is organized as follows:
Chapter 2 provides a brief overview of the Basic Rate Interface (BRI) and the
Primary Rate Interface (PRI), including possible applications, and lists the
supported protocols and Dialogic boards that can be used for BRI and PRI.
Chapter 3 presents an overview of ISDN technology, including signaling,
framing, and ISDN call control states.
Chapter 4 presents an overview of the Dialogic ISDN library functions, including
function category classifications.
Chapter 5 provides a detailed alphabetical reference to the Dialogic ISDN library
functions.