About CardDAV

CardDAV (vCard Extensions to WebDAV) is a client-server protocol that lets users access and share address and contact data on a server.

CalDAV (Calendaring Extensions to WebDAV) is an internet standard designed to allow users to access and share calendar data on a remote server. By supporting both standards, users can view and update Siebel Business Application contact and address data and calendar information on Apple iOS 9.x mobile devices.