Easy introduction to using and configuring Asterisk to build feature-rich telephony systems for small and medium enterprises. Install, configure, deploy, secure, and maintain a full featured phone system AsteriskBuild and create dial plans that fit your needsLearn of the configuration examples for different needs In Detail Asterisk is a framework for a strong and flexible open source to build feature-rich phone system. As a Private Branch Exchange (PBX) which connects one or more telephones, and usually connected to one or more phone lines, Asterisk offers very advanced features, including call-to-station station, line trunking, call distribution, call detail rerecords, and record calls. Asterisk can be used to provide the Interactive Voice Response (IVR). For example, we can have multiple users using the same Asterisk service from various locations, we can have users in the local office using PSTN phones or IP phones, we can have remote VoIP users, we can even have entire Asterisk systems operated and run completely separate but with integrated routing; We can have an extension anywhere we have Internet connections fast enough, which means employees can have the extension on the telephone system at home if they have a broadband connection. This book is all you need to understand and use Asterisk to build a phone system that meets your needs. You will learn how to use the many features that Asterisk provides you with. What you will learn from this book? This book takes you from installing and configuring Asterisk to use various advanced features?, Helping you build feature-rich phone system. With this book, you will learn how to: Install, configure, and use the appropriate dialplan AsteriskCreate a needsBuild you full featured phone system monitors, records, and call logs install and use Asterisk @ HomeBackup, secure, and maintain configuration examples for different needs AsteriskUse Approach Who is this book written for? This book is intended for anyone who is interested in establishing a strong telephone system using free and open source application, Asterisk, without spending thousands of dollars buying a commercial system and are often less flexible. This book is suitable for beginners and those new to Asterisk and the phone.