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.
Knowledge Base
Phones guides
Step-by-step guides for 3CX business phone systems and Yealink and Fanvil desk phones: apps, voicemail, call transfers, admin settings and everyday calling.
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.
3CX User Guide Videos
Short video walkthroughs covering 3CX setup, the 3CX mobile app and in-call features such as hold, transfer and conferencing.
How to Use Yealink T29G Phone
A quick reference for the Yealink T29G desk phone: what each key does and how to handle everyday calling tasks.
3CX Android App Installation & User Guide
How to install the 3CX app on an Android phone, connect it to your business extension and make and receive calls on the go.
3CX iOS (iPhone) App Installation & User Guide
How to install the 3CX app on an iPhone, connect it to your business extension and make and receive calls on the go.
How to Use Yealink Handset Phones
A guide to Yealink desk phones: key layout, placing and transferring calls, conference calls, voicemail and common settings.
How to Use Fanvil Handset Phones
A guide to using Fanvil desk phones: what each key does, how to make, transfer and hold calls, and how to use voicemail and the phone menu.
How to Use 3CX Soft Phone
A complete guide to the 3CX softphone: logging in, installing the web client and Windows app, making and transferring calls, voicemail, status, chat and video meetings.