22 ©2000 Nokia Mobile Phones. All rights reserved.Adjusting the earpiece volumeYou can adjust the earpiece volume of the phone by rolling with theNavi Roller during a call. Roll the Navi Roller upwards to increaseand downwards to decrease the earpiece volume.Last number redialThe last ten phone numbers you called or attempted to call arestored in the phone’s memory. To redial one of these last diallednumbers:1 With display clear, press once to access the list of the last-dialled numbers.2 Roll with the Navi Roller to the desired name or number andpress , or press and hold the Navi Roller, to dial it.See also “Call register (Menu 2)”on page 25.Listening to voice messages1 Press and hold (in the standby mode) to call your voicemailbox.2 If the phone asks for the voice mailbox number, key it in andpress Navi Roller.Voicemail box is a network service. For more information and for thevoicemail box number, contact your service provider.Tip: When the display text above the left selection key isListen, press the key to call your voice mailbox number.In-call functionsYour phone provides a number of functions that you can use duringa call. Many of the in-call options are network services.By pressing Options during a call some or all of the following in-call options may be available: