VoIP and WebRTC: Real-Time Communication
VoIP and WebRTC: Real-Time Communication Real-time communication keeps teams connected, customers served, and classrooms engaging. VoIP, or voice over IP, is the umbrella term for calls over the internet. WebRTC brings audio, video, and data directly inside web browsers. They share goals but fit different workflows. This guide explains how they work, where they shine, and practical tips you can apply today. How VoIP works VoIP uses signaling to set up a call and a transport path for media. Signaling protocols like SIP or proprietary options handle user registration and call setup. Media travels as RTP packets over the network. Common codecs such as Opus for audio and VP8 for video balance quality and bandwidth. Jitter, latency, and packet loss are real concerns, so devices use buffers and adaptive codecs to keep conversations clear. ...