service-specific software plug-in has been installedin the device.LogThe log stores information about thecommunication history of the device. The deviceregisters missed and received calls only if thenetwork supports these functions, the device isswitched on, and within the network service area.Recent callsPress , and select Tools > Log.To monitor the phone numbers of missed, received,and dialled voice calls, select Recent calls. Thedevice registers missed and received calls only if thenetwork supports these functions, the device isswitched on, and within the network service area.To clear all recent call lists, select Options > Clearrecent calls in the recent calls main view. To clearone of the call registers, open the register you wantto erase, and select Options > Clear list. To clearan individual event, open a register, scroll to theevent, and press C.Call durationPress , and select Tools > Log.To monitor the approximate duration of yourincoming and outgoing calls, select Call duration.Note: The actual time invoiced for calls byyour service provider may vary, depending onnetwork features, rounding off for billing, and soforth.To clear call duration timers, select Options >Clear timers. For this you need the lock code.Packet dataPress , and select Tools > Log.To check the amount of data sent and receivedduring packet data connections, select Packetdata. For example, you may be charged for yourpacket data connections by the amount of data sentand received.Monitor all communicationeventsPress , and select Tools > Log > Recentcalls.Icons in the log are as follows:IncomingOutgoingMissed communication events 131 Make calls