33If you are in a call, you can place the current call on hold by selecting the New Calloption above. Once the additional call has been answered, the following options areavailable.• Swap: Places the current call on hold and then activates the previous call.• Join: Joins all of the calls you have established with your phone (both active andon hold) into a multi-party call.When you want to finish, end each call normally by pressing the key.Muting or Sending Keypad TonesThese options allow you to turn the keypad tones off or on. If the Mute Keypad Toneoption is selected, it allows you to press keys without hearing keypad tones during acall.Note: To communicate with answering machines or computerized telephone systems, the Send KeypadTone option must be selected.Switching off the Microphone (Mute)You can temporarily switch your phone’s microphone off, so that the other personcannot hear you.Example: You wish to say something to person in the room, but do not want the person on the phone tohear you.During a call, to switch the microphone off temporarily:1. Press the Mute soft key. Unmute displays.2. Press the Unmute soft key to deactivate the Mute function.Searching for a Number in the Address BookYou can search for a number in the Address Book during a call.1. Press the Options soft key.2. Press the Down Navigation key to highlight the Address Book option.3. Press the Select soft key or the key.4. Highlight the Address Book entry by using the Up or Down Navigation key.- or -5. Enter the first few letters of the contact into the Search field which thenhighlights the closest match in the Address Book list.6. To view the highlighted entry, press the Options soft key.