Download or read book Building Telephony Systems with OpenSER written by Flavio E. Goncalves and published by Packt Publishing Ltd. This book was released on 2008-04-25 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a well illustrated, step-by-step guide to building a SIP based network using OpenSER. This book is for readers who want to understand how to build a SIP provider from scratch using OpenSER. Telephony and Linux experience will be helpful but is not essential. Readers need not have prior knowledge of OpenSER.