@wwe is AFK
- unknown, plenty hits there: https://help.nextcloud.com/search?q=hpb%20signalling%20server
- check issues on dev Github: GitHub · Where software is built
- see suggestions below
- is your HPB behind a reverse proxy?
- if yes, is WSS enabled forwarding 9980 to https
- double check if secretpasswordkey is > 24 chars better 32 chars
see High Performance Backend for Talk on Nextcloud with Docker for reference
see Nextcloud Talk documentation for reference