While a call is active the Callicon will display in the Notification bar.
To answer a call, swipe the Answericonup.
To decline a call, swipe the Declineicon up.
To reject an incoming call with a text message, swipe the Replywithtexticon up. Note: To edit quick text message responses, from the home screen, tap the Phoneicon > Menuicon > Callsettings > Quickresponses > Edit responses.
Tap the Desiredtextmessage to send.
To answer a call while on an active call, swipe the Answericon up.
To decline a call while on an active call, swipe the Declineicon up. Note: To learn about calling or using your device in other countries, visit the AT&T International website.