Android - Receiving Calls
Answering a call
When a call comes in, drag outside the large circle.
Rejecting a call
When a call comes in, drag outside the large circle.
To send a message when rejecting an incoming call, drag the Send message bar upwards and select a message to send.
To create various rejection messages, launch the Phone app, tap → Settings → Quick decline messages, enter a message, and then tap .
Missed calls
If a call is missed, the icon appears on the status bar. Open the notification panel to view the list of missed calls. Alternatively, launch the Phone app and tap Recents to view missed calls.