Bittium Secure Call™ - For Encrypted Communication

Application for End-to-End Encrypted Communication

Bittium Secure Call™ is a secure voice, video, and messaging application with end-to-end encryption for Android™ and Microsoft Windows clients. It is designed for enterprise, government and other professional users with stringent information security needs. The application supports deployment in commercial and private networks with no dependency on public Internet or cloud services. It can be deployed and fully managed by the user organization. Bittium Secure Call can be complemented with Bittium Secure Suite™ to offer device security management and the use of an additional VPN layer to provide dual encryption for secure communication.

Governmental Grade Security

For Android & Windows

For Commercial & Private Networks

No Dependency on Public Internet or Cloud

Versatile Means for Secure Communication

  • Voice calls

  • Video calls

  • Conference calls

  • Messages with attachments
  • Chat

  • Group messaging

  • Centralized contact directory

Extend Secure Communication also to Windows Desktop Client

  • Secure Call is available as a standalone Windows client

  • Windows client can be linked to an existing Android client

  • Useful in Tactical Operations Center or Control Room use cases

  • Supports printing messages and conversations

  • Traffic light indication for sent messages (sent/received/read)

  • Supports screen sharing

Android is a trademark of Google LLC. Microsoft Windows is a trademark of the Microsoft group of companies.

Information is not passed on to third parties.


Additional Info


Do you support other than Windows on the desktop/laptop?

Currently only Windows is supported.

Can I switch an ongoing call from a device to another (linked) device?

Switching an ongoing call from a device to another is not supported because of the end-to-end encryption.

Can I edit a message that I sent?

You cannot edit a message you have sent, but you are able to withdraw a message for a short while after sending.

Do you support sending and receiving SMS/MMS with Bittium Secure Call application?

No, we want to keep it clear for the user that all communication in Bittium Secure Call is end-to-end encrypted.

Are you planning for security approvals for Bittium Secure Call?

These are considered based on customer needs. We currently have security approvals for Bittium Tough Mobile 2 and Bittium Secure Suite/SafeMove and those provide a secure operational environment for Bittium Secure Call and other applications.

Can I use Bittium Secure Call with other than Bittium products?

Yes, Secure Call works also on other Android devices, as well as Windows clients. However, in order to have a complete, certified mobile security solution, we recommend using Bittium Secure Call with Bittium Tough Mobile 2 smartphones and Bittium Secure Suite backend system.