Samsung Gear S2 classic User Manual page 68

Applications
Rejecting a call
Reject an incoming call and send a rejection message to the caller.
Reject to the left to reject a call. To send a message when rejecting an incoming call, swipe upward from the bottom edge
X Drag
of the screen.
• If the voice control feature is activated, say "Reject" to reject the call.
Missed calls
If a call is missed, a notification displays on the screen.
On the Watch screen, rotate the bezel left to view missed call notifications, or tap Phone on the Apps screen to view missed calls.
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