Cisco Systems OL-23092-01 manual

2-1

Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5

OL-23092-01

Preparing to Install the Cisco Unified IP Phone on Your Network

Cisco Unified IP Phones enable you to communicate using voice over a data network. To provide this

capability, the IP Phones depend upon and interact with several other key Cisco UnifiedIP Telephony

and network components, including CiscoUnified Communications Manager, DNS and DHCP servers,

TFTP servers, media resources, Cisco prestandard PoE, and so on.

This chapter focuses on the interactions between the Cisco Unified IP Phones 7975G, 7971G-GE,

7970G, 7965G, and 7945G and CiscoUnified Communications Manager, DNS and DHCP servers,

TFTP servers, and switches. It also describes options for powering phones.

For related information about voice and IP communications, refer to this URL:

http://www.cisco.com/en/US/products/sw/voicesw/index.html

This chapter provides an overview of the interaction between the CiscoUnified IP Phone and other key

components of the Voice over IP (VoIP) network. It includes these topics:

•Understanding Interactions with Other Cisco UnifiedIP Communications Products, page 2-2

•Providing Power to the Phone, page2-4

•Understanding Phone Configuration Files, page2-7

•Understanding the Phone Startup Process, page2-9

•Adding Phones to the Cisco UnifiedCommunications Manager Database, page 2-11

•Using Cisco Unified IP Phones with Different Protocols, page2-14

•Determining the MAC Address of a Cisco UnifiedIP Phone, page 2-15