In 2014, Facebook removed the Chat feature from their Facebook app and push users to use Messenger.
all Facebook users had to download another app to send messages and receive calls.
However, the video and voice calling feature is currently being integrated back into the Facebook app, and Facebook is set to roll out the feature to a select group of users from August 31.
The Bloomberg website points out that Facebook understands that Messenger is not an option that should be offered through a separate app, but an option that should be included in the flagship service, and will use Messenger’s technologies to extend it to services such as Instagram and Oculus in the future. Declares that there is.
Facebook hopes that this will allow them to easily communicate with each other without having to switch apps one by one.
Facebook App soon With Voice and Video Call
Source : XDA Developers