It's important to note that the feature, so far anyway, is enabled by default – so if you don't want other X users calling or video calling you on your iPhone ... see a phone icon in the ...

open the group chat you want to video call and tap the video call icon at the top. WhatsApp will ask you to confirm that you really want to start the call (because, hey, maybe it was a pocket tap).

How to use Google Hangouts on your iPhone 1. Start the Google Hangouts app. 2. Tap the Contacts icon at the bottom left ... with a text message, video call, or voice call. 5.

Launch the App Store from your iPhone's home screen ... In the text chat, you also have the option to voice and video call using the icons at the top of the screen, next to the name of the ...