What happens when you press Emergency call on your IPhone 4S?

So when my phone is locked, it says "Emergency call" underneath the 7. I have pressed it many times on accident. And when I do, it gives me a dial pad and says "emergency call" in like five different languages. So it doesn't call anybody unless you dial a number. So what would happen if I called someone and it wasn't an emergency? Like my parents or something? Would it go into like a regular call or will it connect to the emergency response too?

I think it calls 911 but i wouldnt try unless it is a real emergency

You may only call 911 or poison control ect.