The calling feature introduced in version 2.12.60 will work on rig running Window Phone 8 and above.
In addition, smartphones running Windows Phone version 8.1 can also use the updated app to send audio files.
WhatsApp calls use your phones internet connection rather than your cellular plans voice minutes.
WhatsApp calling lets users to call other WhatsApp users for free.
The new WhatsApp calling interface is very much like the regular call UI in Android smartphones.
It saves the call records automatically.
It points out that you will need Windows Phone version 8 or above to make use of the feature.
If you have a smartphone running on Windows 8 and above, download the WhatsApp latest version fromhere.
source: www.techworm.net
