The Citadel Team service is hosted in France and applies strict French and European laws that protect your privacy. - More comfortable conversations: group instant messaging or direct chats, file sharing, Secure phone service, audio and video conferences - Keep your data under control: invite your contacts without your phonebook being stolen - Multi-devices automatic sync: Your mobile devices and computer are always synchronised And that's just the beginning: We have many other improvements coming to help you be more efficient at work every day!