Free SIP Trunk Basics Course(2026): Start a SIP Trunking Business

SIP Trunk Basics for Beginners Zero to Hero

Powered by 6X – Your Trunk-full of Fun to SIP Mastery! 📞🌐😂
This standalone SIP Trunk simulator course turns you from “what’s a trunk?” to SIP reselling rockstar. International edition – all prices in $!
You must complete each level before unlocking the next. Review anytime with Previous. Reset if needed.
Buy/resell SIP trunks via the 6X Marketplace and connect the world!

Progress: Level 1 Unlocked

Level 1: SIP Trunk Basics – The Highway for Calls!

SIP Trunk = Session Initiation Protocol Trunk – virtual phone line over internet connecting your PBX to the PSTN (public phone network).

Replaces old PRI/T1 lines. Cheaper international calls ($0.01/min vs $0.30/min!).

Example: Office PBX calls USA, China, UK via SIP trunk – no physical wires!

Illustration: Calls racing down an internet superhighway 🚗💨📞.

Fun Fact: SIP Trunk means “Super Intelligent Phone” trunk – okay, I made that up, but it sounds cool! 😎

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