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Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
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Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Security Configuration Menu
Unlocking the CTL and ITL Files
To unlock the CTL and ITL files from the Security Configuration menu, follow these steps:
Procedure
Step 1 Press **# to unlock options on the Settings menu on the Cisco Unified IP Phone.
Step 2 Select Trust List > CTL file or ITL file (depending on which file is installed in your phone).
Step 3 Press the Unlock softkey to unlock the CTL file.
Step 4 Press the Unlock softkey to unlock the Trust List files on the phone. The CTL or ITL files, if installed
on your phone, will be unlocked together.
After you change and save the applicable TFTP server option, the CTL file will be locked automatically.
Note When you press the Unlock softkey, it changes to Lock. If you decide not to change the TFTP
server option, press the Lock softkey to lock the CTL file.
ITL File Submenu
The ITL File screen includes the options that are described in Table 4-23.
If an ITL file is installed on the phone, you can access the ITL File submenu by pressing the Settings
button and choosing Security Configuration > Trust List.
Table 4-23 ITL File Settings
Option Description To Change
ITL File Displays the MD5 hash of the Identity
Trust List (ITL) file that is installed in the
phone. If security is configured for the
phone, the ITL file installs automatically
when the phone reboots or resets.
• A locked padlock indicates that
the ITL file is locked.
• An unlocked padlock indicates
that the ITL file is unlocked.
For more information about the CTL
file, see the Cisco Unified
Communications Manager Security
Guide, Configuring the Cisco ITL
Client.
CAPF Server Common Name (from the Cisco Unified
Communications Manager Certificate) of
the CAPF used by the phone. Also
displays a certificate icon if a
certificate is installed for this server.
For more information about this server,
see the Cisco Unified Communications
Manager Security Guide, Using the
Certificate Authority Proxy Function.