That system isn't even registered in KRS so that has to be done first. You will also need to buy whatever licenses you need from someone other than Avaya as they don't offer licenses anymore. You can probably get what you need from old vendors who still have the paper authorization codes. They can still be activated in KRS. Just make sure that what you buy is for the same release as your BCM. They aren't all release specific but some are.
To register it, you will need to provide your Country, State/Province and City at a minimum. Several of us on here can do that for you. Once that's done, your vendor of record (whoever registers it for you) can then generate the necessary license file.
This is definitely something you have to be careful of when buying a used system......always verify what, if any licenses, are active. Otherwise, you might wind up with a boat anchor!
Good Luck!