The latest articles on DEV Community by Ilia (@itsmeilia). https://dev.to/itsmeilia https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F348570%2Fc000767d-b839-4f24-befa-545f37c0599b.png https://dev.to/itsmeilia en Ilia Tue, 23 Jun 2020 14:47:49 +0000 https://dev.to/itsmeilia/facebook-messenger-video-voice-chat-lob https://dev.to/itsmeilia/facebook-messenger-video-voice-chat-lob <p>Hello, I have built some WebRTC Applications before, which did not even worked on Iphone 5s (IOS 11.x.x), and as I am aware FB Messenger uses React Native which also has webrtc implementation there, so it won't work on older phones as well as i think, but as i tested Messenger even worked on Iphone 4s and i bet it would work on iphone 4 as well. how do they achieve this? whats the technology they are using?</p>