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Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP)
OL-15498-01
Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone
Security Configuration Menu
• Communications Manager—IP address of the Cisco Unified Communications Manager server used
by the phone. Also displays a certificate icon if a certificate is installed for this server (see
Figure 6-1).
• TFTP Server—IP address of a TFTP server used by the phone. Also displays a certificate icon if a
certificate is installed for this server (see
Figure 6-1).
Figure 6-1 Certificate Icon
If the primary TFTP server (TFTP Server 1) or the backup TFTP server (TFTP Server 2) is not listed in
the CTL file, you must unlock the CTL file before you can save changes that you make to the TFTP
Server 1 option on the Network Configuration menu. (For information about changing this option, see
the
“Network Configuration Menu” section on page 4-4.)
To unlock the CTL file and change the TFTP Server 1 option or remove the CTL file, follow these steps:
Procedure
Step 1 Press **# to unlock options on the Security Configuration menu.
For detailed information about unlocking options, see the “Unlocking and Locking Options” section on
page 4-2.
Step 2 Pressing the Settings button and choose Security Configuration > CTL File.
The CTL File menu displays.
Step 3 Highlight the CTL option.
Step 4 Press the Unlock softkey to unlock the CTL file.
Step 5 Take one of these actions:
• Change the TFTP Server 1 option on the Network Configuration menu.
When you save your changes, the CTL file is locked again automatically.
• Press the Erase softkey to remove the CTL file from the phone.
The CTL file is removed and the phone resets.
Note When you press the Unlock softkey, it changes to Lock. If you decide not to change the TFTP
Server 1 option or not to erase the CTL file, press the Lock softkey to lock the CTL file.