I've had the same issue but it then extends to iPad OS and Android too. The call started in Windows 10
Luis Miguel Montilla
I had the same issue on telegram web, desktop (windows 10), and android 10
Issue is reproduced on Telegram Desktop 2.6.1, 64bit, Linux
We have the exact same problems, with ALL iOS, Android and desktop versions. We hosts chats on the channel with up to 100 people. Always some people can't hear others. You have to leave and join again to hear who is currently speaking. Pleas fix this TG.