I've seen similar rooms/compartments on other trains, but I can't remember which and can't find any more examples.
[1] https://www.seat61.com/trains-and-routes/frecciarossa.htm
In the YouTube video the presenter says that the train has 4 phone lines, hah, nowadays a businessperson might have a mobile phone and a data SIM for her laptop...
I've seen similar rooms/compartments on other trains, but I can't remember which and can't find any more examples.
[1] https://www.seat61.com/trains-and-routes/frecciarossa.htm