# Dialogic® NaturalAccess™ Point-to-Point Switching API Developer's Manual

The Dialogic® NaturalAccess™ Point-to-Point Switching API Developer's Manual provides:

- An overview of the Point-to-Point Switching (PPX) service.

- A reference of its functions and errors.

This manual defines telephony terms where applicable, but assumes that you are familiar with telephony and switching concepts, and with the C programming language.

Read the Dialogic® NaturalAccess™ Software Developer’s Manual before developing a Natural Access switching application. The Dialogic® NaturalAccess™ Software Developer’s Manual contains detailed information about Natural Access concepts, architecture, and application development.

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