Need help, i lost conection every some minutes in some specifics servers

Hey, i will try to explain, english is not my lenguage, so, sorry if my writing is not good xD

Aprox 2 months ago i started to have problem with an specific server (if you need, i can write the id of every server), i joined and i didnt saw the channels, didnt saw the people, my friend move me to their channel and i cant hear him, he cant hear me, i send him a poke and he recieve it but i never recieve their answer, and finally ,after a couple minutes, “conection lost”, joined again and same problem

We started to go to other server, when we was without any problem for a few months, but a week ago i started to have exactly the same problem

Today i joined an old ts (i used to be there a year ago, and was server admin) and saw i had the same problem, so i dont now what to do

The curious thing is i have other 2 servers when i dont have the problem, and i can be there for hours without any of this happen (the ts i use more time cause its for the clan of one game)

I take some pictures, hope can be useful

Pictures taked on the second ts i talked
(I had the same problem in 3 ts, and can stay without them on 2 at least)