article_snippet: WhatsApp first hinted WhatsApp would let users make free calls to each other early last year.
article_snippet: ‘Whatsapp have calls now
article_snippet: this is just too much #wificalling #WhatsAppCalls,’ while Dhanesh Nair tweeted:
article_snippet: Finally whatsapp call activated..
article_snippet: #WhatsAppCalls #WhatsAppCalls’s good only if u have good internet speed.'
article_snippet: Other messaging apps, including Viber, already offer free voice and video calls to users, and it's believed WhatsApp's update is designed to rival such services.
article_snippet: WhatsApp rolled out The 'Calls' feature to selected users in January and a screenshot revealed how the service would look on a Nexus 5 handset, in February.
article_snippet: Other messaging apps, including Viber, already offer free voice and video calls to users, and it's believed WhatsApp's update is designed to rival such services.
article_snippet: Like Viber's app, WhatsApp shows users when users have missed a call (a screenshot is shown above)
article_snippet: Dutch site AndroidWorld first uncovered clues about WhatsApp's voice calling feature in December, while studying the app's test code.
article_snippet: WhatsApp makes money by charging users a subscription fee of $1 per year, although WhatsApp offers a free model as well.
highlights_snippet: VoIP Calls have to be made between WhatsApp users and are free .
  