I can see your NBN-FTTC 50/20 install is progressing.
You need to do some of the install yourself.
You will need to UNPLUG ALL existing phones/modems, and setup the new NCD + MODEM to the socket.
Pay attention to the 4x blue lights on the NCD once completed and let us know if you get 1,2,3 solid blue lights.
You may check the setup guide that we've created for NBN-FTTC here.