1. From the home screen, tap the Phone icon.
   
2. Tap the Keypad icon.
   
3. Enter the desired phone number.
   
4. Tap the Call icon.
   
5. While on a call, the Call icon will display in the status bar.
   
6. To answer an incoming call, drag down the Call icon.
   
7. To ignore an incoming call, drag up on the Call icon.
   
8. To ignore the call and reply with a text message, drag up on the Message icon.
   
9. Tap the desired message.
   
10. Visit the AT&T International Calling website for help making calls to or while roaming in another country.