# Dialogic® NaturalAccess™ NaturalCallControl™ API Developer’s Manual

This manual describes how to use the Natural Call Control (NCC) service to perform call control within a Natural Access telephony application, and provides detailed descriptions of the NCC service capabilities and functions. Use this reference manual with the Natural Access Developer's Reference Manual.

This manual is targeted to developers of telephony and voice applications who are using Natural Access. This document defines telephony terms where applicable, but assumes that you are familiar with telephony concepts and switching. It also assumes that you are familiar with the C programming language.

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