Cisco Systems 7970G manual More information, see the Device Configuration Menu

Chapter 1 An Overview of the Cisco Unified IP Phone

Understanding Security Features for Cisco Unified IP Phones

Table 1-3		Overview of Security Features (continued)
Feature			Description
Signaling Encryption			Ensures that all SIP signaling messages that are sent between the
			device and the Cisco Unified CallManager server are encrypted.
CAPF (Certificate Authority			Implements parts of the certificate generation procedure that are too
Proxy Function)			processing-intensive for the phone, and it interacts with the phone
			for key generation and certificate installation. The CAPF can be
			configured to request certificates from customer-specified
			certificate authorities on behalf of the phone, or it can be configured
			to generate certificates locally.
Security Profiles			Defines whether the phone is nonsecure, authenticated, or
			encrypted.
Encrypted Configuration files			Enables privacy of phone configuration files.
Optional disabling of the web			You can prevent access to a phone’s web page, which displays a
server functionality for a phone			variety of operational statistics for the phone.
Phone hardening			• Additional security options, which you control from Cisco
			Unified CallManager Administration:
			–	Disabling PC port
			–	Disabling Gratuitous ARP
			– Disabling PC Voice VLAN access
			– Disabling access to the Setting menus, or providing
				restricted access that allows access to the User Preferences
				menu and saving volume changes only
			Disabling access to web pages for a phone.
			Note You can view current settings for the PC Port Disabled,
				GARP Enabled, and Voice VLAN enabled options by
				looking at the phone’s Security Configuration menu. For
				more information, see the “Device Configuration Menu”
				section on page 4-15.
802.1X Authentication			The Cisco Unified IP Phone can use 802.1X authentication to
			request and gain access to the network. See the “Supporting 802.1X
			Authentication on Cisco Unified IP Phones” section on page 1-18
			for more information.
	Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
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