1 Solution
When you are in a call, you may have to press the dialpad key to get the key pad to show up so you can input numbers. Somewhere on the screen while you are in a call, you should see the icon: 
or something similar.
When you are in a call, you may have to press the dialpad key to get the key pad to show up so you can input numbers. Somewhere on the screen while you are in a call, you should see the icon: or something similar.
