To make a call, from the home screen, tap the Phone icon.
Enter the desired number.
Press the Call Key.
While a call is active, the Call icon will be displayed in the Notifications bar.
To answer a call, press the Call Key. Note: If receiving a call while already on a call, tap 'Accept Call' to take the call and put the current call on hold.
To ignore a call, press the End Call key. Note: To learn more about calling or using your device in other countries, visit the AT&T International Calling website: http://www.wireless.att.com.