That depends on frequency and can be both good and bad thing. Text don't convey emotion well, emojis don't really help with that, direct calls are much better.

That depends on frequency and can be both good and bad thing. Text don't convey emotion well, emojis don't really help with that, direct calls are much better. But then focus wind-up and wind-down matters too, so receiving random calls throughout the day might be a recipe for no work done whatsoever. In the end if there are serious agreements made it should be done in writing though.