Use APKPure App
Get 3CX old version APK for Android
Work Remotely from your Android device
With the 3CX App you can make and receive work calls, schedule conferences, video call and chat from anywhere. The 3CX App is truly your one-stop tool for working remotely - easily and efficiently.
Getting Started:
Once the app is downloaded, open it and:
1. Agree to the license agreement.
2. Follow the on screen instructions to configure your app with your extension - you need your 3CX Welcome Email email with your credentials, sent from your Administrator.
3. Allow camera access to scan the QR code from your 3CX web client - details in your email.
4. Grant all the necessary permissions in the next screens.
5. Make sure to follow the battery optimization instructions for the app to work efficiently.
And that's all! You can now stay connected on-the-go!
Important read: This app is only for use with 3CX v18 and is not a standalone app.
More information: https://www.3cx.com/user-manual/installation-android/
What's New in the Latest Version 20.4.0
Last updated on Jul 23, 2025
Fixed: Updates to library internals
Fixed: Boost overall app performatnce
Fixed: Missing translation for livechat calls
Fixed: When sending SMS/WhatsApp to contact/extension we should show number in chat header
Fixed: Changes required for added/removed participant from chats after server change
Fixed: Duplicated Personal contact name in Calls history
Fixed: Conference name not resolved in Recents
Fixed: Wrong call history text when leaving voicemail
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3CX
20.4.0 by 3CX
Jul 23, 2025