.
. 
 to initiate the call. ![]()  | Send audio to the speakerphone.  | 
![]()  | Mute the call.  | 
![]()  | Display the dial pad.  | 
![]()  | Place the call on hold (not available on all services).  | 
![]()  | Create a conference call.  | 
![]()  | Increase audio level.  | 
 to end the call. ![]()  | Audio is routed to the Bluetooth headset.  | 
![]()  | Audio is routed to the speakerphone.  | 
![]()  | Audio is routed to the earpiece.  | 
            
        
    






