1. From the home screen, tap the Phone tile.
   
2. Tap the Keypad icon.
   
3. Enter the desired number.
   
4. Tap call.
   
5. When receiving a call, tap answer to answer the call. When answering a call waiting, the current call will be put on hold.
   
6. To ignore the call, tap ignore.
   
7. To ignore the call and respond with a text message instead, tap text reply.
   
8. Tap the desired option.
   
9. Visit the AT&T International Calling website for help making calls to or roaming in another country.