Hi
No - EU Roaming Add on's are specifically for contacting 'Home' while in the EU - to contact Italian Mobiles/Landlines, like all international calls - you will need monies in your balance.
You also need an active 48 membership - as usual.
Europe:
When calling Albania, Andorra, Armenia, Austria, Azerbaijani Republic, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Channel Islands, Isle of Man, Croatia, Cyprus, Czech Rep, Denmark, Estonia, Faroe Islands, Finland, France, French Antilles, French Guiana, Georgia, Germany, Gibraltar, Greece, Hungary, Iceland, Italy, Latvia, Lichtenstein, Lithuania, Luxembourg, Macedonia, Malta, Martinique, Mayotte/ Reunion, Moldova, Monaco, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovak Rep, Slovenia Rep, Spain, Sweden, Switzerland, Turkey, UK (incl NI) or Ukraine
You'll pay:
Calls to mobiles and Landlines50c
Texts25c
All International call charges are inc VAT and are charged per minute.
However, if you would like conformation contact 48 Support Via the link below.