To make a phone call, from the home screen, tap the Phone icon.
To make a call, tap the Dialpadicon.
 Dial the Desired phone number to call, then tap the Phone icon.
While a call is active the Call icon will display in the Notification bar.
To answer, decline or respond with a text to an incoming call, swipe the Phoneicon up to reveal options.
To receive an incoming call, swipe the Blue phone icon to the right.
To decline an incoming call, swipe the Red phone icon to the left.
To answer a call waiting call, swipe the Blue phone icon to the right. Note:Accepting a call waiting call will put the other call on hold.
To decline a call waiting call, swipe the Red phone icon to the left.
To reject an incoming call with a text message, swipe up to the Message icon.
To choose a prepared text message, tap the Desired message.
To create your own text message reply, tap Write your own...
Type Desired message, then tap SEND. Note:To learn about calling or using your device in other countries, visit the AT&T International Calling website.