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2-1
Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 7.1 (SCCP)
OL-19025-01
2
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
comp
onents, including Cisco Unified Communications Manager.
This chapter focuses on the inte
ractions between the Cisco Unified IP Phone 6921, 6941, and 6961 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:
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, page 2-1
• Providing Power to the Cisco Unified IP Phone, page 2-3
• Understanding Phone Configuration Files, page 2-5
• Understanding the Phone Startup Process, page 2-6
• Adding Phones to the Cisco Unified Communications Manager Database, page 2-7
• Determining the MAC Address for a Cisco Unified IP Phone, page 2-10
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
Un
ified Communications Manager system before sending and receiving calls.
This section includes the fo
llowing topics:
• Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications
Manager, page 2-2
• Understanding How the Cisco Unified IP Phone Interacts with the VLAN, page 2-2