Hey Frends Now You Can Call Any Mobile No Totaly Free From Your Airtel Prepaid....Just Dial 560606 or 56060 N Press 321 & Then After Single Beep Dial No U Want To Call. Then Remembr U Can Call Unlimited Nd Twice For Some Nos N Der is No Limit For Call Duration........Remembr Using This Tricks U Can Not Call Any Relience No..