So for those of us on Digital Ocean hosted 3CX, here's what I did:
0. Logged into 3CX, added SBC. Then go back into it to grab the auth key etc.
1. Use Pi Imager, select Pi 5, and OS Lite x86
2. For config I set my login, hostname and enabled SSH
3. Boot Pi, find IP, ssh into
4. Followed the...