1-15
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager
OL-10008-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
Related Topics
• Identifying Encrypted and Authenticated Phone Calls, page 1-15
• Device Configuration Menu, page 4-15
• Security Restrictions, page 1-16
Identifying Encrypted and Authenticated Phone Calls
When security is implemented for a phone, you can identify authenticated or
encrypted phone calls by icons on the LCD screen on the phone.
Optional disabling of the web server
functionality for a phone
You can prevent access to a phone’s web page, which displays
a variety of operational statistics for the phone.
Phone hardening Additional security options, which you control from
Cisco Unified CallManager Administration:
• Disabling PC port (applies to 7911G only)
• Disabling Gratuitous Address Resolution Protocol
(GARP)
• Disabling PC Voice VLAN access (applies to 7911G
only)
• 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.
Table 1-3 Overview of Security Features (continued)
Feature Description
