How to activate WhatsApp calling feature within seconds

How to activate WhatsApp calling feature tested in android.

Steps to activate the WhatsApp calling feature

1. Go and query some of your WhatsApp friends using Whatsapp in his iPhone or anyother who already have Whatsapp Calling feature activated
2. Ask him or her to call you through Whatsapp.After a successfull call,you will get Whatsapp Calling feature activated.And the entire view of your Whatsapp will be noticably changed.

What are you waiting for then,go grab your phone and start calling for free.And don't forget to share this trick to your friends and families.

Any doubts feel free to comment here.