Communitytelecom offeres 1 USD free trial call to all destinations

Community telecom is offering $1 free trial call to its registered users. You can make the PIN less call from your registered phone. If you are calling from another number, you need to dial the PIN.Visit http://www.communitytelecom.com/ and then click on "call free".It takes some time (10-30 minutes) to credit your account with $1.I tried to register and I could see $1 credited to my account but