If your desired back office is not shown during the configuration menu, please finish configuring the charger with the available options.
Once the initial configuration is complete, update the charger to the newest firmware version.
After the firmware update, recommission the charger.
You should then be able to select and set up a connection with any of the back offices listed above.
If your back office is not on the list at all, please reach out to us for further assistance and enquiries.