I have done the same thing on several occasions when I was bored and had some spare time.
One Indian guy was attempting to get me to fire up Team Viewer so he could fix my windows, etc.
I proceeded to play as dumb as I could and ran him around in circles for about 15 minutes until I got bored with the routine and basically told him I’m not as dumb as you think and to go eff himself, then hung up.
Imagine my surprise when he immediately called back and cursed at me in his native tongue before hanging up on me. I laughed my ass off the rest of the night over that fun! :)