27Copyright © 2003 Nokia. All rights reserved.Functions available during a callThe functions described below can be used during a call. Some of these functionsare network services. Not all the functions are available at the same time.During a call, press Options and select one of the following functions: Mute orUnmute, Hold or Unhold, Send DTMF, New call, Answer, Reject, Swap, End call, Endall calls, Phone book, Menu, Conference, Private.Use Send DTMF to send DTMF tone strings.■ Locking the keypadYou can lock the keypad to avoid accidental keypresses, for example, when thephone is in your handbag, or to avoid unauthorised use of your phone.To avoid accidental keypresses:• Press Menu and then quickly in standby mode. OR:You can also set the phone to automatically lock the keypad if the phone hasnot been used for a certain length of time: Press Menu in standby mode andselect Settings, Keyguard settings, Automatic keyguard and On. Key in thedelay time in minutes and seconds, and press OK. The keypad lock is turned onwhen the phone is in standby mode.• To unlock the keypad: Press Unlock and then quickly in standby mode.
