Firmware Dependency Reference

New capabilities in the Red Hat single sign-on (SSO) integration are tied to specific Cloud Voice firmware builds. SSO lets a user authenticate once with a central identity provider (Red Hat) instead of maintaining a separate password for the phone system. Before you rely on a feature described elsewhere in this section, confirm that your system is running the firmware version listed below. If your build is older, upgrade first.

Caution

Upgrading firmware normally restarts the phone system, which can interrupt active and incoming calls (including emergency calls). Schedule the upgrade during a maintenance window and confirm no critical calls are in progress before you begin.

Version history

Released	What changed	Minimum firmware
December 3, 2025	Introduced control over how Red Hat SSO users authenticate to the Cloud Voice App. Administrators can require single sign-on exclusively, or permit users to sign in either through SSO or with the account credentials tied to their extension.	84.21.0.66 or later
November 10, 2025	First release of the integration.	84.21.0.16 or later

Note

The firmware version shown is the minimum required for each capability. Running a later build is fully supported and gives you every feature at or below your current version.