39 1998 Nokia Mobile Phones. All Rights Reserved.five cards used most recently withthe phone.• When you change the “Security lev-el” setting (see page 49).Show call duration(Menu 2-5)You can view the duration of your callsand clear the timers.1 Once in the Call register menu,scroll with or to Show callduration and press Select.2 Scroll to one of the following func-tions:Last call duration(Menu 2-5-1)Shows the duration of the last (or cur-rent) outgoing or incoming call inhours, minutes and seconds.All calls’ duration(Menu 2-5-2)Shows the total duration of calls madeor received with any SIM card.Received calls’ duration(Menu 2-5-3)Shows the total duration of callsreceived with any SIM card.Dialled calls’ duration(Menu 2-5-4)Shows the total duration of calls madewith any SIM card.Clear timers (Menu 2-5-5)Resets all timers. Press OK, key in thesecurity code, and press OK.N OTE: The actual time invoiced for calls byyour service provider may vary, dependingupon network features, rounding-off forbilling, and so forth.Show call costs (Menu 2-6)This network service allows you to checkthe costs of your calls.The costs are shown in terms of units setwithin Menu 2-7-2, for each SIM card in-dependently.1 Once in the Call register menu,scroll with or to Show callcosts and press Select.2 Scroll to one of the following func-tions:Last call cost (Menu 2-6-1)Shows the cost of the last or currentcall.All calls’ cost (Menu 2-6-2)Shows the total cost of all calls madewith the current SIM card.Clear counters (Menu 2-6-3)Resets all cost counters. Press OK, keyin the PIN2 code, and press OK.N OTE: The actual invoice for calls andservices from your service provider mayvary, depending upon network features,rounding-off for billing, taxes and soforth.