Nextcloud, Talk, TURN-Server, coTurn, Ports, Strato

[Reiner_Nippes]

@puck08 das folgende hast du alles beachtet und durchgearbeitet?
imho die vollständigste beschreibung von talk.

HowTo: Setup Nextcloud Talk with TURN server

Background The configuration of Nextcloud Talk mainly depends on your desired usage: As long as it shall be used only within one local network, nothing should be needed at all. Just verify that all browsers support the underlying WebRTC protocol (all famous ones do on current versions) and you should be good to go. Talk tries to establish a direct peer-to-peer (P2P) connection, thus on connections throughout the local network (behind a NAT/router), clients do not only need to know each other…