Abstract.
This process briefly describe how to delet ITL files from a CISCO Unified IP Phone.
![1.PNG](/legacyfs/online/legacy/3/4/9/62943-1.PNG)
Click on the Settings Button. This will bring the settings menu. Scroll down to Security Configuration.
![2.PNG](/legacyfs/online/legacy/4/4/9/62944-2.PNG)
Select the Trust List menu entry.
![3.PNG](/legacyfs/online/legacy/0/6/9/62960-3.PNG)
Scroll down to the ITL File. Use the unlock sequence on the keypad of the phone. ( * * # ) Star, Star, Pound. The phone will display. Settings Unlocked!.
![4.PNG](/legacyfs/online/legacy/1/6/9/62961-4.PNG)
Select the ITL file.
![5.PNG](/legacyfs/online/legacy/2/6/9/62962-5.PNG)
Click on the more option.
![6.PNG](/legacyfs/online/legacy/3/6/9/62963-6.PNG)
You will be presented with the Erase softkey. Click on the Erase. this will cause the phone to delete the ITL trustlist and have the phone reboot.
![7.PNG](/legacyfs/online/legacy/4/6/9/62964-7.PNG)