Download or read book Building Telephony Systems with Asterisk written by David Gomillion and published by Packt Pub Limited. This book was released on 2005 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is aimed at anyone who is interested in building a powerful telephony system using the free and open source application, Asterisk, without spending many thousands of dollars buying a commercial and often less flexible system. This book is suitable for the novice and those new to Asterisk and telephony. Telephony or Linux experience will be helpful, but not required.