I press the call button whenever I need something.

That said, I'm always in first for long-haul travel, and if not I'm in business (I point that out not to boast but to emphasize that "real service" carriers such as CX and SQ and EK and NH and EY and LH and LX and JL aren't prone to throwing hissy fits when their flight attendants are asked to perform their duties when a call button is pressed, vs. "non-service" US legacy employees). That said, I also don't fly US carriers for long-haul travel (last US carrier I flew was a UA segment in first Europe to Dulles in 2014 on an award).

...and now that I've written all that, I am reminded that this is in the American forum, and is really about American...so never mind.