International calling guides

Practical help for dialing abroad, browser audio, and getting the best call quality with BLAH! phone.

• How to call internationallyStep-by-step: browser setup, dialing, and rates.
• Allow your browser microphone for international callsHow to grant microphone access in Chrome and Safari so BLAH! phone can place crystal-clear WebRTC calls from your browser.
• International number format: E.164 and dropping the trunk zeroDial phone numbers correctly for international calls: country codes, E.164 format, and why you drop the leading zero on national numbers.
• Wi‑Fi vs mobile data: what works best for browser callingWhen to use Wi‑Fi or cellular data for WebRTC international calls, and how to reduce dropouts and echo.