Copyright © 2000-2002 Nokia. All rights reserved.46Phone Tip: If you start making anew call during the currentcall, the current call is puton hold automatically.Hold/Activate - Hold allows you to put the current call on hold. To activate theoriginal call again, select Activate.New call - Puts the active call on hold and dials a new phone number.Send DTMF - Transmits DTMF tones. See ‘To send DTMF tones during a call’ on page77.End active call - Ends the active call.End all calls - Ends both the active and held call.Contacts - Opens the phone book.Menu - Opens the Menu.Mute/Unmute - Switches the microphone of the communicator off or on. If thecommunicator is connected to a handsfree car kit, Mute also turns off themicrophone of the car kit.Swap - Allows you to alternate between two calls, an active and a held call.Transfer - Enables you to connect two voice calls together and disconnect yourselffrom both calls. See ‘To transfer calls’ on page 76.Conference - If one call is active and another call is on hold, this option mergesthem into a conference call.Private - During a conference call, Private allows you to converse privately with aselected participant.Keypad lockThe keypad lock makes accidental key presses ineffective.