Dialogic® NaturalAccess™ ISDN Messaging API Developer's Manual

The Dialogic® NaturalAccess™ ISDN Messaging API Developer's Manual provides:

The NaturalAccess ISDN Messaging product exposes ISDN protocols at three levels:

This manual describes how to build applications that interface with the ISDN protocol stack at layers 2 and 3. For information on building applications that are integrated at higher layers, see the Dialogic® NaturalAccess™ ISDN Software Developer's Manual.

This document is for developers of ISDN applications in C who are programming at the messaging level. The developer should be experienced with ITU Q.931 ISDN call control messages and call states. The developer should also be familiar with Natural Access, basic telephony concepts, and the C programming language.