What is an automatic call (the beginning of the lesson and the end) in educational institutions?

Question

IT terminology

I'm writing a term paper "Automatic call" but I don't know what it is? Either "AIS" or "ACS", I'm more inclined towards ACS, but I'm not sure, I hope for your help.

Answer 1

Seriously thought about what the timer on the oven is

Answer 2

OH! So many options, so many options... ;)
Of course, an automated control system with a planning function.

Answer 3

my friend suggested:
This asu
In ais infa should be kept at a minimum
AND processed and displayed