Either use secure, encrypted VoIP calls (e.g. over Signal or another secure messenger with an end-to-end encrypted call feature)
Or you use a secure messenger that only runs on smartphones and doesn't have a desktop client
Either use secure, encrypted VoIP calls (e.g. over Signal or another secure messenger with an end-to-end encrypted call feature)
Or you use a secure messenger that only runs on smartphones and doesn't have a desktop client