Chapter 3 deals with the various aspects of configuring extensions and IP phones,
the basic elements of an IP telephony system. You will be introduced to two specific
types of IP phones??”a hardware IP phone (LinkSys SPA-941) and a software IP
phone (CounterPath X-Lite).
Chapter 4 deals with the concept of telephony service providers. These are usually
your local PSTN providers. In addition, the chapter deals with the concept of IP
telephony providers: inbound providers and termination providers.
Chapter 5 explains what routing rules are and how they are processed within the
AsteriskNOW operational model.
Chapter 6: Routing calls into and out from your PBX system can be complex. This
chapter deals with the various logics that need configuration in order to enable
proper call traversal to and from your PBX system.
Chapter 7: Interactive Voice Response and Auto Attendants are corner stones of
the PBX market. AsteriskNOW provides a highly versatile and simple interface
for configuring and controlling these two elements. This chapter deals with the
configuration of an IVR/Auto-Attendant, and most importantly, the rules for
building a proper IVR/Auto-Attendant.
Chapter 8 deals with some of the more advanced features of AsteriskNOW.
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