tailieunhanh - Asterisk - The Future of Telephony, 2nd Edition

This bestselling book is now the standard guide to building phone systems with Asterisk, the open source IP PBX that has traditional telephony providers running scared! Revised for the release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money on equipment and support, and finally be in control of your telephone system. | Join the open Source PBX Revolution Asterisk The Future of Telephony Jim Van Meggelen Leif Madsen Jared Smith Foreword by Mark spencer O REILLY8 Telecommunications Telephony O REILLY Asterisk The Future of Telephony I w I Asterisk is far more than just a PBX it is an integration mashup platform for voice applications and anything they might control. If you are a hobbyist or building commercial applications based on Asterisk this book is the ultimate bible. Edward T. Guy III PhD Chief Technical Architect Truphone Asterisk The Future of Telephony is the flagship publication and continues to be the most widely read reference on Asterisk today. Mark Spencer chairman and CTO of Digium creator of Asterisk Asterisk The Future of Telephony is the definitive guide to building phone systems with Asterisk the open source IP PBX that has traditional telephony providers running scared Revised and expanded for the release of the software this new edition reveals how you can save money on equipment and support and finally be in control of your telephone system. If you ve worked with telephony before you re familiar with the problem expensive and inflexible systems that are tuned to the vendor s needs not yours. Asterisk isn t just a candle in the darkness it s a whole fireworks show. It s so powerful in fact that configuring it can seem tricky and difficult. Asterisk The Future of Telephony takes you through the installation and configuration process. You ll learn to write dialplans integrate your phone system with a relational database script Asterisk with the manager interface and AGI use Ruby on Rails with Adhearsion and much more This book is everything you need to design a simple but complete system with little or no Asterisk experience and no more than rudimentary telecommunications knowledge. Inside you ll find A new chapter on managing and administering your Asterisk system A new chapter on using Asterisk with databases Coverage of features in Asterisk A new .