Installation guide

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Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-01
Chapter 1 An Overview of the Cisco Unified Wireless IP Phone 7921G
Understanding Security Features for Cisco Unified IP Phones
Overview of Supported Security Features
Table 1-2 provides an overview of the security features that the Cisco Unified
Wireless IP Phone 7921G supports. For more information about these features
and about Cisco Unified CallManager and Cisco Unified IP Phone security, refer
to Cisco Unified CallManager Security Guide.
For information about current security settings on a phone, choose Settings >
Security Configuration. For more information, see the “Viewing Security
Information” section on page 7-2.
Note Most security features are available only if a certificate trust list (CTL) is installed
on the phone. For more information about the CTL, refer to “Configuring the
Cisco CTL Client” chapter in the Cisco Unified CallManager Security Guide.
Security and phone configuration files See the “Phone Configuration Files and Profile
Files” section on page 2-25
Changing the TFTP Server 1 or TFTP Server 2
option on the phone when security is implemented
See the “Configuring Network Profiles” section on
page 4-10
Items on the Security Configuration menu on the
phone
See the “Viewing Security Information” section
on page 7-2
Unlocking the CTL file See the “Accessing the CTL File Screen” section
on page 7-4
Disabling access to a phone’s web pages See the “Specific Configuration Options for the
Cisco Unified Wireless IP Phone 7921G” section
on page 6-15
Troubleshooting See the “General Troubleshooting Information”
section on page 9-20
Refer to Cisco Unified CallManager Security
Guide, Troubleshooting chapter
Resetting or restoring the phone See the “Erasing the Local Configuration” section
on page 9-25
Table 1-1 Cisco Unified IP Phone and Cisco Unified CallManager Security Topics (continued)
Topic Reference