1. While on an active call, press the Volume keys to adjust the volume.
   
2. Tap the Mute icon to turn mute on or off.
   
3. While mute is enabled, the Mute icon will display in the Notification bar.
   
4. Tap the Speaker icon to turn speakerphone on or off.
   
5. While speakerphone is enabled, the Speakerphone icon will display in the Notification bar.
   
6. To use a headset, insert the Plug into the Headphone jack on top of the device.
   
7. While the headset is connected, the Headset icon will display in the Notification bar.
   
8. To use a wireless device during the call, make sure Bluetooth is on, and tap the Bluetooth icon.
   
9. Tap the Desired device to connect to and follow the Prompts.
   
10. To access the dial pad, tap the Dialpad icon.
    
11. To hide the dial pad, tap the Hide icon.
    
12. To add a call, tap the Add call icon.
    
13. Enter Desired contact or number and tap the Call icon.
    
14. To place a call on hold, tap the Hold icon.
    
15. To take a call off of hold, tap the Unhold icon.
    
16. To access the home screen during an active call, tap the Home key.
    
17. To return to your active call, swipe down from the top of the screen and tap the Call.
    
18. To end a call, tap the End Call icon.