Cisco Systems 6921 Communications Manager Security Guide, Cisco Unified Communications Manager

Chapter

What Features are Supported on the Cisco Unified IP Phone 6921, 6941, and 6961?

Table 1-4	Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol		Purpose	Usage Notes
Transport Layer Security		TLS is a standard protocol for securing	When security is implemented, Cisco
(TLS)		and authenticating communications.	Unified IP Phones use the TLS protocol when
			securely registering with Cisco Unified CM.
			For more information, refer to the Cisco Unified
			Communications Manager Security Guide.
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 Setup 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

•Network Setup Menu, page 4-4

What Features are Supported on the Cisco Unified IP Phone 6921, 6941, and 6961?

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 1-13

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

•Providing Users with Feature Information, page 1-14

	Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)
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