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. ...

September 21, 2025 · 2 min · 372 words

Information Security Principles for a Safer Web

Information Security Principles for a Safer Web The web is safer when we follow a few clear information security principles. These ideas are practical, easy to apply, and work across devices and services. Least privilege and defense in depth. Give people access only to what they truly need. Use separate admin and user accounts. Add layers of protection so a single failure does not expose data. Secure by default. Start with strong settings and automated updates. Turn off unused features, enable encryption for sensitive data, and rely on trusted transport like HTTPS. Small defaults can prevent big problems. ...

September 21, 2025 · 2 min · 245 words

Browser Security: Protecting Web Applications

Browser Security: Protecting Web Applications Web apps run inside users’ browsers, which act as the first line of defense and, at times, the last stop for attackers. A small misconfiguration can expose data or allow unwanted actions. Good browser security starts with simple, practical steps and grows with ongoing attention. Think in layers: protect data in transit, guard data stored in the browser, and control what content the page can load and execute. Each layer reduces risk and helps users stay safe. ...

September 21, 2025 · 2 min · 325 words