Copyright2004 Nokia. All rights reserved. 88• Delete recent call lists to delete the recent calls lists. Select whether you wantto delete all the phone numbers in the recent calls lists, or only the numbers inthe missed calls, received calls or dialled numbers lists. You cannot undo theoperation.Timers and countersNote: The actual invoice for calls and services from your service provider mayvary, depending upon network features, rounding-off for billing, taxes and soforth.Press Menu, select Call register and Timers and counters. Select• Call duration. Scroll to view the approximate duration of your incoming andoutgoing calls in hours, minutes and seconds. The security code is required toclear the timers.If you have two phone lines available (network service), each phone line has itsown call duration timers. The timers of the selected line are displayed. See Callsettings on page 115.• GPRS data counter. Scroll to check the amount of data that were sent orreceived, sent and received data in total, and to clear the counters. The securitycode is required to clear the counters.• GPRS connection timer. Scroll to check the duration of the last GPRSconnection or the total GPRS connection time. You can also clear the timers.The security code is required to clear the timers.