iPhone allow you to make calls even when locked

[Mediahound]

Per this video:

http://www.youtube.com/watch?v=hdQ5HYBewLs

I verified that the iPhone allows you to place calls to anyone, even when locked. I tried it myself and it works. Lock your iPhone, press "Emergency Call" and you can dial any number you want.

[Mediahound]

I found out this is how its supposed to work. It just locks the contacts and personal info., not access to the phone calls.