How to activate whats app calling feature?

Hi friends well come to tech-panda.in.
we all are mostly using the whats app account into daily life.now whats app launch calling feature. but whats app calling is not enable on all whats app account's.don't worry,I'm share with u full guide of how to activate calling on u r whats app account.
Read also:- Use Two Whts App Account In One Smart Phone
Now let me tell you how to enable calling on whats app account  stpe by step with screen shots :-

1.Firstly root android device Click Here
2.Now download whats app latest version Click Here.
3.After install latest you have to receive a call from ur friend. (who has the feature active calling feature on whats app answer the call)
4.Now open Es file explorer,if u don't installed ,plz download Click Here
5.After install Es file explore ,open it and go to /data/data/com.whatsapp/shared_prefs/com.whatsapp_preferences.xml

6.Now copy this code and paste in
 <map></map> and save it.

CODE HERE


<boolean name="call" value="true" />
<string name="call_allowed">all</string>


7.NOW  goto phone Settings/Apps/Whatsapp and click on stop button.

Now enjoy whats app calling feature.  source XDA forum