Cisco Unified 6921 Manuale di amministrazione

Preparing to Install the Cisco Unified IP Phone on

Your Network

Cisco Unified IP phones enable you to communicate by 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

components, including Cisco Unified Communications Manager (Cisco Unified CM).

This chapter focuses on the interactions between the Cisco Unified IP Phone 6921, 6941, 6945, and

6961 and Cisco Unified CM, 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 Cisco Unified IP Phone and other key

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

•

Understanding Interactions with Other Cisco Unified IP

Telephony Products

To function in the IP telephony network, the Cisco Unified IP Phone must be connected to a networking

device, such as a Cisco Catalyst switch. You must also register the Cisco Unified IP Phone with a Cisco

Unified CM system before sending and receiving calls.

This section includes the following topics:

•

Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)

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Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified CM, page 2-2

Understanding How the Cisco Unified IP Phone Interacts with the VLAN, page 2-2

C H A P T E R

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