21Copyright © 2003 Nokia. All rights reserved.■ Answering a callIn standby mode, press . To end the call or to reject the call withoutanswering, press .■ Listening to voice messagesVoice mailbox is a Network Service. For more information and for the voicemailbox number, contact your service provider. To call your voice mailbox, pressand hold in standby mode. To change the voice mailbox number, see Voicemailbox number (Menu 01-12) on page 37.To divert calls to your voice mailbox, refer to "Call divert" on page 40.■ In-call operationsDuring a call, press Options for some of the following functions. Many of these areNetwork Services. Mute or Unmute, Hold or Unhold, New call, Answer, Reject, Endall calls, Phone book, Send DTMF, Swap and Menu.■ Locking the keypadThe keypad lock prevents keys from being pressed accidentally.To lock or unlock the keypad: In standby mode, press Menu and thenquickly.You can also set the phone to automatically turn on the keylock after a certainperiod of time. Refer to Keyguard settings (Menu 4-5) on page 43. When thekeypad is locked, the indicator is shown on the display.