Cisco 6921 Administration Manual

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:
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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:
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Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
Understanding Interactions with Other Cisco Unified IP Telephony Products, page 2-1
Providing Power to the Cisco Unified IP Phone, page 2-4
Understanding Phone Configuration Files, page 2-5
Understanding the Phone Startup Process, page 2-7
Adding Phones to the Cisco Unified CM Database, page 2-8
Using Cisco Unified IP Phones with Different Protocols, page 2-11
Determining the MAC Address for a Cisco Unified IP Phone, page 2-13
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
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