IRSSI: Disable bell on activity in certain channel

I use **IRSSI** (*Win 8.1 x64* + *cygwin* + *SSH* to remote host, sometimes via *putty* instead of cygwin) and it's configured to flash taskbar button whenever there's activity in any channel or private chat. There's a bot in one of the channels I'm in which frequently sends some information to the channel and I don't want to be notified about that. Using ignore on this bot isn't helpful because ignored lines don't get printed in the channel or save to the logs - and I still need that info. Is it possible to disable bell/taskbar flashing ONLY for a certain channel or a single user in that channel?