1. While on an active call, press the Volume keys to adjust the volume.
   
2. To turn on speakerphone, press the OK key.
   
3. While speakerphone is enabled, the Speakerphone icon will display.
   
4. To Mute, select Mute. Select Unmute to turn mute off.
   
5. While mute is enabled, the Mute icon will display.
   
6. To access the menu from the call screen, select Options.
   
7. To add a call enter the desired number, or from the Options menu, select Contacts and select the desired contact.
   
8. Press the SEND key.
   
9. Select Options.
   
10. Select Conference Call.
    
11. Select Join Call.
    
12. To put a call on hold, press the SEND key.
    
13. To take a call off of hold, press the SEND key.
    
14. To end a call, press the END key.