At first, I thought this was only a Fanvil issue but now all handsets no longer auto-provision. It appears Fusion is not serving the files and the logs all show 404.
X.X.X.X - - [06/Oct/2023:18:11:37 +1100] "GET /app/provision/cfgc074ad536779.xml HTTP/1.1" 404 153 "-" "Grandstream Model HW...