WhatsApp to add call back, voicemail features

WhatsApp is expected to add some new features like a ‘call back’ feature soon which would allow users to call back friends with just a tap of button
Popular instant messaging service WhatsApp is expected to add some new features like a ‘call back’ feature soon which would allow users to call back friends with just a tap of button without opening the app.
The messaging service is also expected to bring voicemail feature to iOS platform. With this feature, WhatsApp would a