Samsung Galaxy A3 (2016)
Turn call waiting on or off
When call waiting is turned on, you can answer a new call without ending your ongoing call.
Press Phone.
Press MORE.
Press Settings.
Press More settings.
Press the indicator next to "Call waiting" to turn the function on or off.
Press the Home key to return to the home screen.
1. 1. Find "More settings"
2. 2. Turn call waiting on or off
3. 3. Return to the home screen