Ой, а тут вообще весело.
Файл .json отсюда:C:\Users\abramchuk\AppData\Local\MyChat Client\webkit
Код: Выделить всё{"send_display":false,"sound_name":"","receive_display":false,"SelfUIN":2,"username":"E0MLt7gpt9","titleaudio":"\u0410\u0443\u0434\u0438\u043e\u0437\u0432\u043e\u043d\u043e\u043a","QPrivAllowRecordMediaCalls":true,"videoon":"\u0412\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432\u0438\u0434\u0435\u043e","fullscreen":false,"microphone":"","audiooff":"\u0412\u044b\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0437\u0432\u0443\u043a","microphone_name":"","audioon":"\u0412\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0437\u0432\u0443\u043a","transparent":true,"MediaStorage":"C:\\Users\\abramchuk\\AppData\\Local\\MyChat Client\\logs\\records\\","transportUDP":true,"transportTCP":true,"camera":"","iceTransportPolicy":"all","videooff":"\u0412\u044b\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432\u0438\u0434\u0435\u043e","turnport":10000,"RecordMediaCalls":false,"video":true,"CallerUIN":15,"hungup":"\u0417\u0430\u043a\u043e\u043d\u0447\u0438\u0442\u044c \u0437\u0432\u043e\u043d\u043e\u043a","iplist":"mc.vlpku.ru,188.254.55.19","QPrivAllowDisableCameraDuringCalls":true,"title":"t5","QPrivAllowMuteSoundDuringCalls":true,"sound":"","uins":"15","room":502030,"port":2016,"QPrivAllowHangUpCalls":true,"ReceiverUIN":2,"credential":"LezoiFivpU","camera_name":"","RecordFileName":"15-2-2021-10-14-22-55-39.webm"}
И ошибка, которую выдает клиент:
[23:56:38] [ERROR] Ошибка #0267: нет соединения с TURN сервером по TCP порту 8888 и адресам mc.vlpku.ru,stun.l.google.com,stun1.l.google.com,stun2.l.google.com,stun3.l.google.com,stun4.l.google.com