1. From the home screen, tap Phone.
   
2. From the Keypad tab, enter the desired phone number and then tap the Call icon.
   
3. To answer an incoming call, swipe the Answer icon to the right.
   
4. To send an incoming call directly to voicemail, swipe the Ignore icon to the left.
   
5. To reject an incoming call with a message, swipe up Reject call with message.
   
6. Tap the desired option.
   
7. Visit the AT&T International Calling website for help making calls to or roaming in another country.