<sect1>
<title>Introduction</title>

<para>
This document describes how to program Voicetronix computer telephony
cards using the Voicetronix Voice Processing Board API (VPBAPI).
</para>

<para>
Unless otherwise stated, the term VPB (Voice Processing Board) will
refer to all Voicetronix cards.  The VPBs are programmed via the VPB
Application Programmer Interface, a set of C callable functions
provided as a Windows 32 bit DLL (Windows), or a user-mode library
(Linux & FreeBSD) . This will be referred to as the VPBAPI, or just
API.
</para>

<para>
For installation details please see the <filename>README</filename>
file for your operating system, located in <filename>vpb-driver/</filename>.
</para>

<para>
Please refer to the README files, driver source code, and
code examples for the latest information on using Voicetronix cards.
</para>

<para>
FCC Compliance Statement for OpenLine4: Complies with Part 68 Rules, 
Certification #VTX-AUS-46040-PT-T, AC-REN 0.6B, DC-REN NA.
</para>

</sect1>


