SIP Communications For Dummies, Avaya Custom Edition
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well as in other industry groups working to make sure that
SIP works across enterprises that have a variety of architec-
tures, standards, and products in use.
About This Book
This book describes SIP from both business and technical
perspectives. You can read about SIP architecture and opera-
tions, as well as its impact on business. You can discover
how SIP can improve internal and external communications
as well as the basics of how SIP technology works, and how
to build a SIP environment.
Foolish Assumptions
We assume that you have a keen interest in ensuring that your
company’s networking and telecommunications systems are
up to the challenges of intelligent communications today and
tomorrow. Regardless of your role in your organization, this
book can help you quickly get up to speed on how SIP prom-
ises to revolutionize electronic communications.
How This Book Is Organized
Each part of this book considers a different aspect of SIP envi-
ronments. You may want to read the book cover to cover to
gain a fuller understanding of SIP, or you may prefer to skip
around to find out what you need when you need it.
Part I: The Case for SIP gives you the high-level view of what
SIP is and what it can do for your company’s communica-
tions. If you’re unfamiliar with SIP’s benefits, this is a great
place to begin.
Part II: SIP at a Glance explains how being based in current
standards makes SIP compatible with existing systems. It also
introduces presence, the SIP feature that adds intelligence to
communications at many levels, and it describes the compo-
nents in a SIP network that make intelligent communications
possible.
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