Video calling will work on all devices with Android 4.1 and above. The rollout is happening at the same time for iOS, Android and Windows Phone devices, thus covering the top mobile operating systems across the world. Users will need to upgrade their app for the feature to show show up. When you click on the call button, you will start getting a new video calls options along with the existing voice calls.
WhatsApp says it does not assume anything about the quality of the network from which the video call is being made. So the video call quality will improve as the system recognises that the network quality is good.
The video calling feature has keep kept really simple so that engages everyone without confusing them. The one additional feature is the ability to multi-task by minimising the video and using other apps on the phone. User will be able to return to the call by tapping on the green band that appears across apps.
WhatsApp was launched in 2009 as a rich messaging service and is now one of the world’s largest OTT messaging platforms with over 1 billion users,. It added voice calls in early 2015.