Does exist a synchronous digital reference service in Italy?? Thank you.

You have sent your question to the "Ask a librarian" service in Finland. Here we cannot have the best possible expertise concerning libraries in Italy. That is why I recommend for you to redirect your request to some italian library. There seem to be several services of the kind "Chiedi alla tua biblioteca":
http://www.segnaweb.it/disciplines/00-chiedi-lla-tua-biblioteca.html