FreePBX is an easy-to-use GUI that controls and manages Asterisk. It gives you pre-programmed functionality accessible through user-friendly web interfaces that allows you to have a fully functional PBX pretty much straight away with no programming. With this book it's easy to master the many features of FreePBX, which will help you to save time and money as you set up your enterprise-class network. This book will guide you through these features to install, configure, and maintain a professional PBX with plenty of examples and screenshots. By the end of this book, you will have learned to...