Cisco Systems OL-8148-01 Manual Do Utilizador

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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SCCP), Cisco Unified IP Phones
OL-8148-01
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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 IP Telephony and network components, including 
Cisco Unified CallManager, 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 Phone 7970 
Series and Cisco Unified CallManager, 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 7970 Series and other key components of the Voice over 
IP (VoIP) network. It includes these topics: