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. Tap the Speaker icon to turn speakerphone on or off.
   
4. To use a headset, insert the Plug into the Headphone jack on the bottom of the device.
   
5. While the headset is connected, the Headset icon will display in the Notification bar.
   
6. To use a wireless device during the call, make sure Bluetooth is on, and tap the Bluetooth icon, select desired device to connect to and follow prompts to setup. 
   
7. When Bluetooth is on, the Bluetooth icon will display in the Notification bar.
   
8. To access the dial pad, tap the Dialpad icon.
   
9. To hide the dial pad, tap the Hide icon.
   
10. To add a call, tap the Menu icon.
    
11. Tap Add call.
    
12. Enter Desired contact or number and tap the Call icon.
    
13. To place a call on hold, tap the Hold icon.
    
14. To take a call off of hold, tap the Unhold icon.
    
15. To access the home screen during an active call, tap the Home key.
    
16. To turn on Noise suppression or Voice clarity, tap the Menu icon.
    
17. Tap Noise suppression or Voice clarity checkbox to turn on or off.
    
18. To end call, tap the End icon.