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Separate names with a comma.
Join the TS3 server with a command!
Fully recoded for a better code.
Added 'use-minecraft-name' in the config.
If you set it to 'false', you will join with your TeamSpeak username.
Thanks to @GuidingArrow for the hint.
Created a PHP script (thanks to @Nickframe76 ) that redirects the player with an http protocol.
Now you have to confirm the join with a ClickEvent.