Surprised that isn't what the 9 will be called. It's supposed to have even more AI features. Heck, the 8 Pro apparently can do some things the regular 8 can't because the 8 only has 8GB of RAM.
It uses Google's speech to text. As far as you can tell it is a recorded message saying that it's Google's call screening system and to give your name and why you're calling and voice to text to tell you what they say
Then when you hang up it says goodbye to them.
I think the product that was supposed to be AI was the booking assistant