1. To answer a call, slide down the Call icon.
   
2. To ignore a call, slide up the Call icon.
   
3. To decline a call and send a message, swipe up Slide up to reject with message.
   
4. Tap the desired message.
   
5. To use call waiting, tap Hold current and answer to answer an incoming call and place the active call on hold.
   
6. To make a call, from the home screen, tap the Phone icon.
   
7. Tap the keypad icon.
   
8. Enter the desired phone number.
   
9. Tap the Call icon.
   
10. While a call is active the Call icon will be displayed in the Notifications bar.
    
11. Visit the AT&T International Calling website: http://www.wireless.att.com for help making calls to or roaming in another country.