Cisco Systems OL-23092-01 Manual Do Utilizador

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Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5
OL-23092-01
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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 Unified IP Telephony 
and network components, including Cisco Unified 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 Cisco Unified 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:
This chapter provides an overview of the interaction between the Cisco Unified IP Phone and other key 
components of the Voice over IP (VoIP) network. It includes these topics: