If you have something binded to the same button as PTT, mic will stay open because of that. Had this problem in the past.

Simply, unable to connect to most of the channels, logs below. Sometimes i am able to connect those servers and sometimes not (most of the time not). No i'm not banned on them and yes they are online...

Its quite simple and odd, certain servers work always for me and some of them don't. In order to join a server that i cannot join i have to restart TS3 2-5 times and try to connect, but after those...