9[ 50 ]• CLEAR CALL LISTSThis feature clears all the missed, received, and dialed call lists.Caution: You cannot undo this operation.1 Press Menu 2 4 (Call log > Clear call lists).2 Scroll to All, Missed, Received, or Dialed then press Select.Caution: Missed, received, and dialed calls lists are also erasedwhen you change the phone security setting, or if you use a SIM cardthat is not one of the five most recent cards used with the phone.• USE CALL TIMERSIf you have two phone linesIf you subscribe to a second phone line (see “Work with two phone lines”on page 65), call timers are separate for each phone line. When you viewcall timers, the call timers that are shown are for the currently selectedoutgoing line. However, if you view call timers while you are in a call, thecall timers that are shown are for the line you are using at that moment.View the call duration1 Press Menu 2 5 (Call log > Call timers).2 Scroll to Duration of last call, Duration of dialed calls, Duration ofreceived calls, or Duration of all calls.View the Life timerYour phone keeps track of the total call time (all calls made and received).The life timer is displayed in hours (H) and minutes (M) : HHHH:MM.1 Press Menu 2 5 5 (Call log > Call timers > Life timer).2 Press Back after viewing the Life timer.