/usr/local/FlashphonerWebCallServer/bin/uninstall.sh
The 404 response means no streams published on server. Please chek if you're publishing a stream. Please also clarify how do you reproduce the issue step by step.Same on my side it won't work. I always receive 404. I installed WCS 5.2 by AWS marketplace. I tried GET / POST with same result. Also tried /rest-api/stream/connection/find_all