Testing incoming call on Samsung Galaxy S9 Plus SM-G965F in Clear View Standing Cover case (EF-ZG965).
The phone runs One UI 2.5 on top of Android 10 Q.

In this video:
00:00 Unboxing S-View Cover Case
00:55 Incoming Call Over the Horizon 2018
02:17 Outgoing Call via Clear View Flip Cover
02:52 Checking Android version
03:11 Timer
03:24 Alarm Clock Alert
03:33 Testing the Standing Cover feature