Free voice chat where you dont have to download or sign up on anything?

Do any of you guys know a FREE chat room similar to voxli.com or tinychat.com where u dont need to download or sign up or any of that bullcrap . you would just put for ex : voxli.com/blabla n ur in a room where u can talk to anyone using a microphone . for free none of that downloading signing up crap PLEASE i need a site for me and my friend ):