Chapter 3. Understanding the Cisco IP Phone Concepts and Registration
This chapter includes the following topics:
• Connecting and Powering Cisco IP Phones: To provide a centralized power system, the Cisco IP Phones must receive their power from a centralized source using PoE. This section discusses the different options for PoE and the selection criterion of each.
• VLAN Concepts and Configuration: VLANs allow you to break the switched network into logical pieces to provide management and security boundaries between the voice and data network. This section discusses the concepts and configuration behind VLAN.
• Understanding Cisco IP Phone Boot Process: This section discusses the foundations of the Cisco IP Phone boot process. Understanding ...