3CX User Guide Videos
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More Phones guides
3CX PWA Guide
How to install the 3CX web client as a Progressive Web App (PWA) with the Chrome extension, then make calls, manage status, voicemail and call history.
3CX V20 Admin Guide
An administrator guide for 3CX V20: managing users and extensions, reviewing call logs and setting office and holiday hours.
3CX Quick Start Guide
Get up and running with your new 3CX phone system: logging in, setting up voicemail greetings, making calls and managing your status.