CCNA Voice Quick Reference

As a final exam preparation tool, the CCNA Voice Quick Reference provides a concise review of all objectives on the new IIUC

exam (640-460). This digital Short Cut provides you with detailed, graphical-based information, highlighting only the key

topics in cram-style format.

With this document as your guide, you will review topics on concepts and commands that apply to Cisco Unified

Communications for small and medium-sized businesses. This fact-filled Quick Reference allows you to get all-important

information at a glance, helping you focus your study on areas of weakness and enhancing your memory retention of essential

exam concepts.

Excerpts

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Table of Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Introduction to Unified Communications . . . . . . . . . . . . 4

Key Components of the Unified Communications Architecture . . . . . . . . . . . . . . . . . . . . . . . . 6

Understanding Unified Communications Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Understanding Traditional Telephony . . . . . . . . . . . . . . 20

Introduction to Analog Circuits . . . . . . . . . . . . . . . . . . . . . 26

Introduction to Digital Circuits . . . . . . . . . . . . . . . . . . . . . . 31

Understanding VoIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Introducing VoIP Signaling Protocols . . . . . . . . . . . . . . 42

Connecting a VoIP System to a Service Provider Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Preparing the Infrastructure to Support Unified Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Introducing Cisco Unified Communications Manager Express . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Configuring CM Express to Support Endpoints . . . . . 80

Implementing Basic Voice Features . . . . . . . . . . . . . . . . 87

Maintaining a CM Express System . . . . . . . . . . . . . . . . . 96

Implementing Cisco Unity Express . . . . . . . . . . . . . . . . . 99

Communications System. . . . . . . . . . . . . . . . . . . . . . . . . . . 119

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