Step 1: Open WhatsApp and select a participant you wish to call.
Step 2: Make a normal call.
Step 3: Check if there is a new "Add participant" button.
If there is, then you will be able to add others to the video call.
Further, a total of four people will be able to participate in a single split-screen conference call over WhatsApp.
The feature doesn't work with an invitation system
WhatsApp for iOS 2.18.52: group calls! It’s available for a few users only and it doesn’t work with an invitation system. You need to be ****VERY**** lucky! The same is valid for Android beta 2.18.145+! pic.twitter.com/qsDprH3VBQ
2 billion minutes of calls are made on WhatsApp daily
Over 2 billion minutes of video and voice calls are made on WhatsApp daily. Notably, WhatsApp already allows users to switch from a voice call to a video call just by tapping a button. Under this, a video button appears during voice calls.