Global Call ISDN Technology Guide

The Global Call ISDN Technology Guide provides information that is specific to developing call control applications that use ISDN technology.

The guide contains:

• General information - including a brief introduction to ISDN technology for novice users and a description of the Global Call API architecture when using ISDN technology
• Procedural information - including how to perform common operations, such as retrieving D channel status, and how to build and debug applications
• Reference information - including information that describes the Global Call API function and data structure variances for ISDN technology and ISDN-specific parameters, events and error codes

This guide is intended to be used in conjunction with the Global Call API Programming Guide and the Global Call API Library Reference, which describe the generic behavior of the Global Call API that is common to all technologies.

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