Eva: A system administrator at Acme Corp with extensive experience with Kolab Enterprise
Susy: A project manager at Acme Corp
Robert: Knowledge worker at Acme Corp, works part time from home, is a member of Susy's team
Robert is looking at his agenda in Roundcube Calendar. An invitation to an edit session appears from Susy as a notification (popup). Robert clicks on the "Join" button in the invitation to join the session.