You should try the following : check your connection, disable ad-blocker, clear your browser cache, try in private mode, try from another browser/computer/connection.
When you receive a video call, you will see an incoming Whats App video call screen.
The only thing the passenger has to do is save the document and print it out. Yes, the passenger can go through the security control and show the boarding pass.
There is a bar code and go through straight to the gate and board the flight.
From Skype's homeland, Estonia's national airline becomes the first to trial online video check-in.
In a DW interview, an Estonian Air official says this provides another way to make check-in easier.