Free Call By Hiding Your Number

By this Trick you can Hide your number while calling someone and also call for free

• First sign up to www.mobivox.com
• after login Click on the link "Direct WebCalling" 
• give there the number you want to call.
•  In 10 second you'll get a call on your number(which have you given while signing up). A female voicewill tell that your call is being connected. Don't press any button,your call will be connected to the person you want to call. 
•  He/she will not able to see your number instead he'll see +1212....... 

 NOTE:
Remember You can call free only for 5 minutes