CHAPTER 3
Cisco Unified IP Phones and telephony networks
The Cisco Unified IP Conference Phone 8831 enables you to communicate by using voice over a data
network. To provide this capability, the conference phones depend upon and interact with several other key
Cisco Unified IP Telephony components, including DNS and DHCP servers, TFTP servers, and switches.
For related information about voice and IP communications, see this URL:
http://www.cisco.com/en/US/partner/products/sw/voicesw/index.html
This chapter provides an overview of the interaction between the conference phone and other key components
of a Voice over IP (VoIP) network. It also describes options for powering conference phones. The following
topics are covered:
•
Cisco Unified IP Communications product interactions, page 35
•
Conference Phone power, page 37
•
Phone configuration files, page 39
•
Phone startup process, page 40
•
Cisco Unified Communications Manager IP Phone addition methods, page 41
•
Cisco Unified IP Phone MAC address determination, page 44
Cisco Unified IP Communications product interactions
To function in the IP telephony network, the conference phone must be connected to a networking device,
such as a Cisco Catalyst switch. You must also register the phone with a Cisco Unified Communications
Manager system before sending and receiving calls.
Interactions with other Cisco Unified IP telephony products
To function in the IP telephony network, the Cisco Unified IP Conference Phone must be connected to a
networking device, such as a Cisco Catalyst switch. You must also register the conference phone with a Cisco
Unified Communications Manager system before sending and receiving calls.
Cisco Unified IP Conference Phone 8831 Administration Guide for Cisco Unified Communications Manager 9.0
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