WhatsApp voice calling extended to Apple iOS
The calling feature is rolling out slowly over the next several weeks.
Apr 22, 2015, 10:56 AM ISTWhatsApp voice calling feature available for Android users; needs a call to activate
The voice calling feature is enabled in the latest version of the WhatsApp Messenger that is now available for download for Android devices on Google Play (version 2.11.561).
Mar 16, 2015, 10:47 AM IST