Definitive guide
Browser-Based International Calling: The Definitive Guide
Learn how browser calling works, what you need to place a call, who it is for, and how it differs from calling apps and mobile-carrier plans.
8 min read
Read guide Clear explanations of browser-based calling, telephone networks, pricing, quality, and security.
Learn how browser calling works, what you need to place a call, who it is for, and how it differs from calling apps and mobile-carrier plans.
Follow a browser call from microphone capture and WebRTC through carrier routing and PSTN termination to an ordinary telephone.
Understand per-minute rates, landline and mobile differences, connected-time billing, prepaid credit, and how to estimate a call before dialing.