1. Go to http://www.mobivox.com and register there for free account. 2. During registration remember to insert victims mobile number in “Phone number”. 3. Complete registration and confirm your email id and then log in to your account. Click on “Direct Webcall”. 4. You will arrive at a page. In a “Enter a Number” box, select your country and also any mobile number. 5. Now simply hit on “Call Now” to call your friend with his own number. 6. That’s it. Your friend will be shocked to see his own number calling him.