Citadel Team funktioniert nicht

With Citadel Team, organize audio and video conferences, start calls, send messages, create groups with all your colleagues, share all kind of documents, videos and high-quality photos with complete confidentiality.  The Citadel Team service is hosted in France and applies strict French and European laws that protect your privacy.  Your communications are protected by advanced encryption technologies, including end-to-end encryption.  This means that no one but you and your correspondent can listen to or read your exchanges.  And that's just the beginning: We have many other improvements coming to help you be more efficient at work every day!