Facebook spotted testing voice, video calling using main app again

Mark Zuckerberg-led Facebook first created Messenger as a spin-off in 2011 and officially transferred support for voice and video calls from the main Facebook app to it in 2014. Now, the social media company is testing a reintegration of voice and video calling with the main Facebook app so users don't need to switch between the two apps often. Here are more details.

source https://www.newsbytesapp.com/news/science/facebook-tests-reintegrating-messenger-features-with-main-app/story