To erase all call timers:
1
Press Menu 2-5-6 (Call log > Call timers > Clear timers).
The Security code field appears.
2
Enter your security code and press OK.
Caution! This action cannot be undone.
Tip: If you use the call timers to log the amount of time spent on
calls, you may want to record the information from the call timers
before you clear them.
Duration of
all calls
Displays sum total for all incoming and outgoing calls
Life timer
Shows the time used for all calls for the life of your
phone. This option cannot be reset.