Hosted FreePBX systems phone home every 60s over a per-node bearer token — no inbound access to a PBX required.
Nodes
Add a PBX
Run this as root on the FreePBX box (SSH or the console) to install the agent. It checks in immediately so you can confirm it worked. The link is single-use and expires in 15 minutes.
Show full script (review before piping to sh, or copy/paste manually)