While Asterisk, the open-source PBX is a fairly broad subject to cover??”the
AsteriskNOW distribution takes the spikes out of installing and using Asterisk, and
lowers the bar to the level of an intermediate system's administrator.
This book is based upon AsteriskNOW Beta 6. By the time this book is
published, the version of AsteriskNOW may have changed, and new
features may have been added to it. This book will enable your descent into
the Asterisk world and AsteriskNOW in particular giving you the basics of
Asterisk and AsteriskNOW??”no matter what version you may use.
What This Book Covers
Chapter 1 introduces the basic concepts of a telephony system, both traditional and
IP telephony. The chapter serves as trip down telephony memory lane, explaining
the various interfaces, technologies, and terms commonly used in the telephony and
telecommunications industry.
Preface
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Chapter 2 introduces the various hardware elements required for installing your
AsteriskNOW PBX system and the AsteriskNOW installation procedure. Pay close
attention to the hardware mentioned in this chapter; familiarity with the Digium line
of interface cards will make your deployment much easier, when trying to decide
which hardware to use.
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