Cisco Systems 8961 Feature Overview, Cisco Unified Communications Manager, System Guide, Udp

Chapter 1 An Overview of the Cisco Unified IP Phone

What Features are Supported on the Cisco Unified IP Phone 8961, 9951, and 9971?

Table 1-4	Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol		Purpose	Usage Notes
Trivial File Transfer		TFTP allows you to transfer files over the	TFTP requires a TFTP server in your network,
Protocol (TFTP)		network.	which can be automatically identified from the
		On the Cisco Unified IP Phone, TFTP	DHCP server. If you want a phone to use a TFTP
			server other than the one specified by the DHCP
		enables you to obtain a configuration file
			server, you must manually assign the IP address of
		specific to the phone type.
			the TFTP server by using the Network
			Configuration menu on the phone.
			For more information, go to the Cisco TFTP chapter
			in the Cisco Unified Communications Manager
			System Guide.
User Datagram Protocol		UDP is a connectionless messaging	Cisco Unified IP Phones transmit and receive RTP
(UDP)		protocol for delivery of data packets.	streams, which utilize UDP.

Related Topics

•Understanding Interactions with Other Cisco Unified IP Telephony Products, page 2-1

•Understanding the Phone Startup Process, page 2-7

•Ethernet Setup Menu, page 7-4

What Features are Supported on the Cisco Unified IP Phone 8961, 9951, and 9971?

Cisco Unified IP Phones function much like a digital business phone, allowing you to place and receive phone calls. In addition to traditional telephony features, the Cisco Unified IP Phone includes features that enable you to administer and monitor the phone as a network device.

This section includes the following topics:

•Feature Overview, page 1-13

•Configuring Telephony Features, page 1-14

•Configuring Network Parameters Using the Cisco Unified IP Phone, page 1-14

•Providing Users with Feature Information, page 1-15

Feature Overview

Cisco Unified IP Phones provide traditional telephony functionality, such as call forwarding and transferring, redialing, speed dialing, conference calling, and voice messaging system access. Cisco Unified IP phones also provide a variety of other features. For an overview of the telephony features that the Cisco Unified IP Phone supports and for tips on configuring them, see the “Telephony Features Available for the Cisco Unified IP Phone” section on page 8-2.

As with other network devices, you must configure Cisco Unified IP Phones to prepare them to access Cisco Unified Communications Manager and the rest of the IP network. By using DHCP, you have fewer settings to configure on a phone, but if your network requires it, you can manually configure an IP

	Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)
OL-20861-01		1-13