# Dialogic® NaturalAccess™ Fusion VoIP API Developer's Manual

The Dialogic® NaturalAccess™ Fusion VoIP API Developer's Manual provides an overview of the functions and capabilities of NaturalAccess Fusion VoIP API software and hardware components. The manual also provides information about the Fusion API configurations and programming models.

This manual is for developers of IP telephony gateway applications who are using NaturalAccess and the MSPP (Media Stream Protocol Processing) API. This document defines telephony terms where applicable, but assumes that you are familiar with IP telephony concepts, circuit switching terminology, and the C programming language.

Use this manual in conjunction with the Dialogic® NaturalAccess™ Media Stream Protocol Processing API Developer's Manual and the CG board documentation.

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