Maybe this this will answer your question: TeamSpeak Development Status Update
Idk what “where you can host your own services on your own infrastructure.” in this Status Update post means, but maybe we will get some TeamSpeakServer update which will enable perm chats(Rooms) hosted on the server or enabled perm chat on our Serverchannels.
With the structure of the Perm Chat Rooms “#RoomName:tschat-1.teamspeak.com” it could be possible to use it like #RoomName:YourServer.com and also possible to have a own chat id registered on your TS Server like “[email protected]”, so also private chats could be hosted on the TS Server.
The new chat system has just been introduced so lets wait what the future updates will bring… 
