3. Unified API Function Reference

Overview

This chapter provides comprehensive and detailed technical information on the PBX interface software, C-language library functions (the Unified API). The library functions are prototyped in D42LIB.H.

See the Table of Contents for a list of functions. Appendix A provides a Quick Reference containing a compact list of functions that are detailed in this chapter. Only functions compatible with the PBX Integration board are discussed in this document.

Each function is listed in alphabetical order and provides the following information:

Function Header

Located at the beginning of each function and contains the following information: function name, function title, function syntax, input parameters, output or returns, includes (header files required to be include), and mode. The function syntax and inputs include the data type and are shown using standard C language syntax.

Description

Provides a detailed description of the function operation, including parameter descriptions.

Example

Provides one or more C language coding examples showing how the function can be used.

Cautions

Provides warnings and reminders.

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Function Header	Located at the beginning of each function and contains the following information: function name, function title, function syntax, input parameters, output or returns, includes (header files required to be include), and mode. The function syntax and inputs include the data type and are shown using standard C language syntax.
Description	Provides a detailed description of the function operation, including parameter descriptions.
Example	Provides one or more C language coding examples showing how the function can be used.
Cautions	Provides warnings and reminders.