Chapter 3. Understanding Cisco IP Phones

This chapter covers the following topics:

Image Connecting and Powering Cisco IP Phones: To provide a centralized power system, Cisco IP phones may receive their power from a centralized source using PoE. This section discusses the different options for PoE and the selection criteria for each.

Image VLAN Concepts and Configuration: VLANs allow you to segment the switched network into multiple logical pieces to provide management and security boundaries between the voice and data network. This section discusses the concepts ...

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