C3 is free but it does require you to register. It really hasn’t caught on outside of the gaming community. It allows you to create a chat room and it assigns it a phone number that people can call it to so you can have people on their computers and folks on their phones in the same session together.
You dont look stupid, no worries. It’s easy to miss things when people start commenting.
Sounds like it would work pretty good if you set up a private room where only the people you know can use it.
Can you call out from it?