A step by step guide to installing and running the home and office VoIP VoIP plan and configure your own system and voicemail phone system setup, conferences, and call recordings are clear and practical tutorial with case study format In Detail TrixBox is a telephone system based on popular open source Asterisk PBX (Private Branch eXchange) Software. TrixBox allows an individual or organization to setup a telephone system with traditional telephone network and Internet-based phone or VoIP (Voice over Internet Protocol). The book begins by introducing the concept of the phone before detailing how to plan a telephone system and moving to the configuration, installation, and management of feature packed PBX. What you will learn from this book? Chapter 1 introduces the concept of telephony and IP telephony is important to give readers the necessary background. Chapter 2 provides an overview of the core PBX software Asterisk TrixBox and gives the reader a feel for the feature strong VoIP phone system. Chapter 3 describes the relationship between Asterisk and TrixBox and introduces the enhancements and power combination of these tools provide. Chapter 4 walk users through the planning system on the phone with a spreadsheet to fill in, in order to properly plan for the installation and system configuration. Chapter 5 provides readers details on how to install TrixBox and how the basic administration components are used. Chapter 6 applies the previous planning to the configuration of TrixBox to provide the features the reader requires from their telephone system. Chapter 7 covers the telephone system from the viewpoint of a telephone handset and how the user of the telephone system can interact with it. Chapter 8 view configuration options are more advanced and different types of phone lines that can be managed with TrixBox. Chapter 9 briefly introduce the SugarCRM customer relationship management tool, integrated with TrixBox. Chapter 10 shows readers how to secure and backup TrixBox to ensure reliability of their systems. Appendix A has some acronyms and terms used throughout this book, which is also common terms in Telephony. This can be used as a quick reference to the terms when reading the book or configuring the TrixBox system Approach This book is incremental and structured in approach. Who is this book written for? Because this book covers concepts and practices from both the phone and Asterisk, ideal for professionals and home users with no prior telecom experience.