So the server is hosted by a third party host and all in my guild are able to connect, including myself, but a member simply cannot connect.
The ip is correct, he doesn´t have firewalls and he reinstalled ts3 one thousand times.
This is his client logs:
Code:
29/04/2016 08:09:47		Info	TeamSpeak 3 Client 3.0.19.1 (2016-04-25 12:56:09)	
29/04/2016 08:09:47		Info	SystemInformation: Windows 10 (10586) x64 (AMD or Intel) Binary: 64bit	
29/04/2016 08:09:47		Info	Using hardware aes	
29/04/2016 08:09:47	Direct Sound	Debug	setting timer resolution to 1ms	
29/04/2016 08:09:47		Info	Loading plugin: clientquery_plugin	
29/04/2016 08:09:47		Info	Loading plugin: lua_plugin	
29/04/2016 08:09:47		Info	Loading plugin: teamspeak_control_plugin	
29/04/2016 08:09:47		Info	Loading plugin: test_plugin	
29/04/2016 08:09:47		Info	Loading plugin: ts3g15	
29/04/2016 08:09:47	Query	Info	listening on 127.0.0.1:25639	
29/04/2016 08:09:47	Overwolf	Debug	Detected Overwolf start	
29/04/2016 08:09:47	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - enter	
29/04/2016 08:09:47	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - leave	
29/04/2016 08:09:47		Info	*** Time [SERVERVIEWMANAGER]: 111	
29/04/2016 08:09:47	Input	Info	Default monitoring enabled	
29/04/2016 08:09:47		Info	*** Time [MAINWINDOW]: 359	
29/04/2016 08:09:47		Info	*** Time [INIT]: 359	
29/04/2016 08:09:47	ClientUI	Info	Qt version: 5.5.1	
29/04/2016 08:09:47	ClientUI	Info	Using configuration location: C:\Users\fulvio\AppData\Roaming\TS3Client\settings.db	
29/04/2016 08:09:47	ClientUI	Info	Last update check was: ven apr 29 09:44:00 2016	
29/04/2016 08:09:47		Info	Statistics report: Not yet, next report on lun mag 9 13:59:33 2016	
29/04/2016 08:09:48	Newsticker	Info	Newsticker next check: ven apr 29 10:14:02 2016	
29/04/2016 08:10:21	ClientUI	Info	Connect to server: 37.187.223.180	
29/04/2016 08:10:21	ClientUI	Info	Blacklist check ok	
29/04/2016 08:10:21	ClientUI	Info	Initiating connection: 37.187.223.180:10159 37.187.223.180	
29/04/2016 08:10:21	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - enter	
29/04/2016 08:10:21	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - leave	
29/04/2016 08:10:21	Windows Audio Session	Debug	WAS::openDevice-enter	
29/04/2016 08:10:21	Windows Audio Session	Debug	WAS Buffer size: 1056	
29/04/2016 08:10:21	Windows Audio Session	Debug	WAS::openDevice-leave	
29/04/2016 08:10:21	Windows Audio Session	Debug	WAS::startDevice-enter	
29/04/2016 08:10:21	Windows Audio Session	Debug	WAS::startDevice-leave	
29/04/2016 08:10:22	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - enter	
29/04/2016 08:10:22	Windows Audio Session	Devel	DeviceDeleteList::waitForDeletes - leave	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::openDevice-enter	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS Buffer size: 1056	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::openDevice-leave	
29/04/2016 08:10:22	PreProSpeex	Info	Speex version: speex-1.2beta3	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::startDevice-enter	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::startDevice-leave	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::associateAECDevice-enter	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS Buffer size: 1056	
29/04/2016 08:10:22	Windows Audio Session	Debug	WAS::associateAECDevice-leave	
29/04/2016 08:10:22	ClientUI	Info	Connect status: Connecting	
29/04/2016 08:10:27	ClientUI	Info	Connect status: Disconnected	
29/04/2016 08:10:27	ClientUI	Info	Failed to connect to server, want autoreconnect = 0
he is also able to connect to other servers including voice.teamspeak.com.
Anyone has suggestions?
Thanks