The WhatApp founder and chief executive,Jan koum has been promised about WhatsApp voice calling service way back in Feb 2014,but new leaked images showing the feature could be close to completion.The Androidworld.nl have been first published images,text and extracted layout files on their website which they found from raw code which hosted on WhatsApp website. According to Androidworld.nl this voice calling interface asks for user to turn on Bluetooth which is required for who wants to connects his/her cellphone to Bluetooth headset when making a WhatsApp voice call.This new voice calling interface is pretty simple and straightforward. WhatsApp has separated voice calls function from chat section. Users can start a call as they do when starting an instant messaging conversation. They simply tap the button at the top of the screen and the profile picture of the contact they are calling will appear. with a slide-to-answer function, options to reply by message.
Also Read: Facebook Buys WhatsApp for $19 Billion
This leaked images are from Android version of WhatsApp. You can also download the test version of WhatsApp,but no one is interested to download the testing version of apps so it is less popular .Still WhatsApp has not officially announced about it.
It is still unclear that this service will be free or paid and will it updated or not in next new version of WhatApp,but it is sure that WhatsApp will take on who already providing free voice calling feature such as Viber,Skype,Wechat and Line.
Source and Image courtesy: Androidworld.nl