Getting Started with Legacy Cymbus Mobile

 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 Mobile 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 Mobile 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 Android version 10.0 or higher
iOS 15 or higher
Supported Devices
Android smartphones, tablets, and chromebooks
iPhone 6S, 6S Plus, SE 1st generation, iPhone 7 and higher
iPod Touch 7th generation and higher
iPad 5th generation, Air 2, Mini 4, or Pro and higher
Supported Accessories

Headset with microphone (including Bluetoothâ„¢): Cymbus uses the earpiece and microphone on the headset.

Headphones (no microphone): Cymbus uses the earpiece on the headphone and the built-in microphone on the device.

 VoIP Over Mobile and Cellular Data Notice

Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees or other charges in connection with VoIP use. Cymbus will not be held liable for any charges, fees, or liability imposed by your carrier for use of VoIP over mobile and cellular data.

Install and Sign In

To get started, download your cloud communications app at You can log in to Cymbus on up to two devices.

Open the app and log in with the username and password provided by your VoIP service provider. Remember to check Keep Password.

When prompted, give Cymbus the following permissions:

  • Allow Cymbus to make and manage phone calls
  • Allow Cymbus access to your contacts
  • Allow Cymbus to access to the microphone
  • Allow Cymbus access to the camera
  • Allow Cymbus access to the location (Precise location should be enabled on iOS)
  • Allow Cymbus to send notifications

To exit the Cymbus application, tap hamburgerIcon.pngMenu in the top left corner, then tap Logout.


 Permission for Call Recording

If you're asked to give Cymbus Mobile permission to record a call, answer Yes, even if you do not intend to record calls. It's really asking to access your microphone for making calls, not necessarily for recording. Calls will be recorded if you manually start recording during a call or if you enable Settings > Preferences > Call In Progress: Auto Record Calls.

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