Hi, I managed to create working java code (I mean, without java-related errors, underlining and highlighting), but anything I do ends with "ServiceError Initiate Error exception. Service UNSUPPORTED" error. I tried to use same settings as I used in GXDLMS Director app - I managed to make successful connection from here and read some data with lowest Access level (Public association, without auth or encryption, no keys etc.), cmd line for it looked like that:

I want to retrieve the billing profile buffer data, specifically the kWh values for previous months, from the meter. I’ve set up the Android project using version 2.0.14 of the Gurux DLMS library. How can I access the historical billing readings