Cisco Systems 7970G manual Refer to the Supporting, Authentication on Cisco Unified IP

Chapter 1 An Overview of the Cisco Unified IP Phone

What Networking Protocols Are Used?

Table 1-1		Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol			Purpose	Usage Notes
HyperText Transfer			HTTP is the standard way of	Cisco Unified IP Phones use HTTP
Protocol (HTTP)			transferring information and moving	for the XML services and for
			documents across the Internet and the	troubleshooting purposes.
			World Wide Web.
IEEE 802.1X			The IEEE 802.1X standard defines a	The Cisco Unified IP Phone
			client-server-based access control	implements the IEEE 802.1X
			and authentication protocol that	standard by providing support for the
			restricts unauthorized clients from	EAP-MD5 option for 802.1X
			connecting to a LAN through	authentication.
			publicly accessible ports.	When 802.1X authentication is
			Until the client is authenticated,	enabled on the phone, you should
			802.1X access control allows only	disable the PC port and voice VLAN.
			Extensible Authentication Protocol	Refer to the “Supporting 802.1X
			over LAN (EAPOL) traffic through	Authentication on Cisco Unified IP
			the port to which the client is	Phones” section on page 1-18 for
			connected. After authentication is	additional information.
			successful, normal traffic can pass
			through the port.
Internet Protocol (IP)			IP is a messaging protocol that	To communicate using IP, network
			addresses and sends packets across	devices must have an assigned IP
			the network.	address, subnet, and gateway.
				IP addresses, subnets, and gateways
				identifications are automatically
				assigned if you are using the Cisco
				Unified IP Phone with Dynamic Host
				Configuration Protocol (DHCP). If
				you are not using DHCP, you must
				manually assign these properties to
				each phone locally.
Real-Time Transport			RTP is a standard protocol for	Cisco Unified IP Phones use the RTP
Protocol (RTP)			transporting real-time data, such as	protocol to send and receive
			interactive voice and video, over data	real-time voice traffic from other
			networks.	phones and gateways.
	Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
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