To call a stored contact, from the home screen, tap Contacts.
Tap the desired contact.
Tap the Call icon to call the selected contact.
When receiving a call, swipe the Answer icon to the right to answer. When answering a call waiting, the current call will be put on hold.
While receiving a call, swipe the Reject icon to the left to reject the incoming call. Note: When in 'Easy mode', you can't reject a call with a message, or see caller ID information.
To reject a call with a message, Swipe up from the bottom of the screen to access the rejection messages. Note: To create or edit text message replies from the home screen tap > Phone > Menu icon > Settings > Call > Call rejection > Rejection messages
Tap the desired rejection message.
While on a call, the In Call icon will be displayed in the notifications bar. Note: Visit the AT&T International Calling website for help making calls to or roaming in another country.