Here is my game. Wish I had more time, I had to publish it 4 hours before the deadline :/
It works as a prototype anyway, I made and implemented all the sounds in 30mins, so I recommend playing with the sound off 0_0
https://itch.io/jam/cgj/rate/476707
I'm sorry but I think I didn't understand the game well. I am not able to make any calls :-(