Yes I SSH all day every day, and it has been totally fine (at least while the service is up. There is daily down time currently). Video calls the same. No issues (when it's up).

That said, when I'm on my own machines or ones that I can install things on, I can't recommend mosh highly enough. I've literally gotten on a plane and had the shell pick up thousands of miles away without missing a beat once the laptop was back online at the hotel.