VoIP and WebRTC for Real-Time Communication
VoIP and WebRTC for Real-Time Communication VoIP and WebRTC are two pathways for real‑time voice and video over the internet. VoIP is the older, broad term for voice over IP, often using signaling like SIP to connect phones and apps. WebRTC is a modern, browser‑first technology that lets people talk and share video directly in a web page without extra plugins. WebRTC handles the media in the browser. It needs signaling to set up calls and to choose paths across networks. For browser‑to‑browser calls, WebRTC uses ICE to discover usable routes, with STUN helping to learn public addresses and TURN acting as a relay when direct paths fail. Media streams are protected by SRTP, and data channels use DTLS to stay secure. ...