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CCNA Voice 640-461: Understanding the Cisco IP Phone Concepts and Registration

Chapter Description

This chapter walks you through the key concepts and technologies used to build a Cisco VoIP network while working towards your CCNA Voice certification.

Exam Preparation Tasks: Review All the Key Topics

Review the most important topics in the chapter, noted with the key topics icon in the outer margin of the page. Table 3-2 lists and describes these key topics and identifies the page number on which each is found.

Table 3-2. Key Topics for Chapter 3

Key Topic Element

Description

Page Number

Figure 3-5

Trunking tag concepts

56

Figure 3-6

Separating voice and data traffic using VLANs

58

Examples 3-1 and 3-2

Configuring voice and data VLANs

59–60

NOTE

CDP delivers Voice VLAN information

59

Text

Cisco phones receive DHCP Option 150 to download an .xml configuration file via TFTP.

63

Text

Two primary signaling protocols to Cisco IP Phones are SIP and SCCP.

65

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