Samsung Galaxy S4

Step 1 of 4

Select option

Select one of the following options:
Answer call, go to 1a.
Reject call, go to 1b.
Silence the incoming call alert, go to 1c.

Step 2 of 4

1a - Answer call

Press and drag the accept call icon right.

Step 3 of 4

1b - Reject call

Press and drag the reject call icon left.

Step 4 of 4

1c - Silence the incoming call alert

Press the upper or lower part of the Volume key when you get a call.
The incoming call alert is silenced without the caller hearing it, and the call continues until it's ended or diverted.