Samsung Galaxy S6 User Manual page 53

Secure Lock Screens
You can make calls even if your phone has a secure lock
screen.
1. Drag Phone upward to open the call screen.
2. Tap Emergency call to display the Emergency
dialer.
3. Enter the emergency telephone number (911 in
North America) and tap
4. Complete your call. During this type of call, you
have access to most in-call features.
Calling
Call.
44 Emergency Calls