Design a complete VoIP or analog PBX with Asterisk, even if you have no previous Asterisk experience and only , telecommunications knowledge. This bestselling guide makes it easy, with a detailed roadmap to installing, configuring, and integrating this open source , into your existing , system.,
Ideal for Linux administrators, developers, and power users, this book shows you how to write a basic dialplan step by step, and quickly brings you up to speed on the latest Asterisk features in version 1.8.
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