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IP Telephony Using CallManager Express Lab Portfolio by Ernie Friend, Cheryl A. Schmidt

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Chapter 1.Traditional Phone and IP Telephony

Before doing any voice configuration on a router, you should have basic knowledge of traditional telephone operation and the goals of implementing IP telephony. This chapter helps you understand how telephony fits into the big picture of phone technology. It also helps with some of the basic terms, explains basic router interfaces, and gives examples of what the topology looks like when you migrate a traditional company phone network to IP telephony.

The first two labs help with the basic terminology and router interfaces. The last lab helps when you install a router IOS that supports voice. These labs, together with the information provided, will help you when you configure the other chapters’ ...

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