Need help to tackle my problem with ZCU201 and DUWI remote control 05445

[belax]

Saying briefly, I want to associate each button on my DUWI remote (05445) with ZCU201 in such way, that I can distinguish what button was pressed.
I have been desperately trying to do this for two weeks. But still have no reasonable result.

My Configuration:
ZCU201 – Node 1 – primary controller
DUWI – Node 2 – secondary controller


By means of my simple VC++ program I can send commands to ZCU201.

In order to associate any button (lets say Button #5) on DUWI remote with ZCU I press three times DUWI button # 5 and then send to COM Port this: 0x01,0x1A,0x00,0x13,0xFF,0x13,0x01,0x01,0xC9,0x0c,0x00,0x10,0x03,0x25,0x27,0x2B,0x2c,0x85,0x72,0x86,0x91,0x77,0x73,0xef,0x82,0x05,0x03,0x46

After I send this I get the confirmation and DUWI remote blinks green. Now, I can press Button #5 and see this event in ZCU201.

But If I do the same thing with Button #4, for ZCU201 Button # 4 press event and  button # 5 press event will look the same (at least what I can see in COM port).

I have also tried to play with COMMAND_CLASS_ASSOCIATION (SET). But managed to get NOTHING.

Please I need help with this black box named Z-wave.

Thank you.