by
Jim Van Meggelen, Jared Smith, Leif Madsen
Language: English
Release Date: August 28, 2007
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 1.4 release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money...