As we all know, Skype’s built-in recording function will notify each participant that the call is being recorded. You’ll need to use other recording software if you want to record calls without anyone noticing.
Evaer video recorder for Skype can also achieve the same function. You just need to uncheck the “Warn the caller the call will be recorded” option if you don’t want others to know that you are recording the Skype call. As shown below.