Yahhh friends, now you can buzz your friends or dear one with the help of new updation which is made by Facebook in its messenger.
Yes, Facebook added a new feature in its messenger app Version 4.1 of voice calling to make phone calls to friends across the globe for free, by using your wifi connection and standard mobile data plan.
Since now, you will start getting a phone icon beside the contact name which appears in your Facebook messenger contact list. You just need to tap that phone icon to start a phone call. The only condition is that both the person should have wifi or data connection to make or receive calls.
So now make your friend and loved ones closer to you with the use of Facebook messenger app.
Source :- https://itunes.apple.com/en/app/facebook-messenger/id454638411?mt=8