How To Call Your Friends With Their Own Number....you a extremely Nice Prank or you can simply say Hack. i.e"How To Call Your Friends From THeir Own Cell Number". Mobile hack to call your friends: 1. Go to http://www.mobivox.com and register there for free account. 2. During registration, remember to insert Victim mobile number in"Phone number"field as shown below. 3. Complete registration and confirm your email id and then login to your account. Click on"Direct WebCall". 4. You will arrive at page shown below. In"Enter a number"box, select your country and also any mobile number(you can enter yours). Now, simply hit on"Call Now"button to call your friend with his own number. 5. That's it. Your friend will be shocked to see his own number calling him. EnJoY... [NoTe- You Will Get Only 10 free minutes]