He posted saying that, “I can’t seem to send invites to other people, the only thing I can ensure is that it works in India for people running Lollipop 5.0.x on a Nexus 5. Other Indians without the earlier combo don’t get it.”
According to the images posted, users who receive the voice-calling feature will notice an icon for it, beside the Chats and Contacts tabs. The call interface seems to quite similar to a smartphone’s contact directory. The app keeps a record of recent WhatsApp calls as well.
Earlier, a few WhatsApp screenshots showcasing this voice-calling feature were leaked online by Androidworld.nl. WhatsApp also released WhatsApp for Web users which simply mirrors whats’s on your smartphone to the screen. WhatsApp for web is currently available through the Google Chrome browser and also supports Android, BlackBerry and Windows Phone. However iOS users can’t access WhatsApp for web.