Getting Started with Legacy Cymbus Desktop

 Legacy Cymbus End of Life

The Legacy Cymbus app is being discontinued in favor of the new Cymbus app. If you haven't already, talk to your Service Provider to get it enabled for you. See Switch to the New UC App for details.

 Legacy Cymbus Desktop App User Guide

The Help Center will always have the most up-to-date information, but sometimes a hard copy is easier to consume. Download the Cymbus Desktop App User Guide (PDF).

A VoIP service subscription with a local service provider or ISP is required to make audio or video calls with Cymbus. Contact your service provider to set up an account. Once your account is set up with your service provider, you will receive an email from Cymbus with your username and password.

System Requirements

Operating System

Windows 10 (with the latest update)
Windows 11
macOS 11 (Big Sur)
macOS 12 (Monterey)

Processor Minimum: Single-core 2GHz or higher
Recommended: Dual-core 2GHz or higher
Memory Minimum: 4GB RAM
Recommended: 8GB RAM and above
Hard Disk Space 400 MB (Install/Upgrade, 200 MB operation)
Connection IP network connection (broadband, LAN, wireless)
Constant internet connection
Audio Device

Full-duplex, 16-bit, or use a USB headset

Install and Sign In

To get started, download your cloud communications app at

Open the app and log in with the username and password provided by your VoIP service provider. Check Remember sign in information and Sign in automatically before signing in.

You can log in to Cymbus on up to two devices.


 Exit Cymbus

To exit the Cymbus application, tap Settings and click Logout in the top right corner.

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