1. While connected to a call, tap Bluetooth to connect to a Bluetooth headset.
   
2. Tap Mute to mute/unmute the microphone.
   
3. Tap Speaker to toggle speakerphone on/off.
   
4. Tap Contacts to view your contacts.
   
5. Tap Dialpad to display the dialpad.
   
6. Tap Hold to place the call on hold.
   
7. Tap Unhold to resume the call.
   
8. To access additional options, tap the Menu icon.
   
9. Press the Home key to return to the home screen while staying connected to the call.
   
10. Tap the Call widget to return to the call in progress.
    
11. Tap End to hang up.