HTTP/1.1 200 OK
Date: Dow, 01 Jan 2000 00:00:00 GMT
DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
DAV: extended-mkcol, bind, addressbook, calendar-auto-schedule, calendar-proxy
Content-Length: xx
Content-Type: text/calendar;charset=UTF-8

BEGIN:VCALENDAR
PRODID:-//davical.org//NONSGML AWL Calendar//EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VFREEBUSY
DTSTAMP:xx
DTSTART:50000701T000000Z
DTEND:xx
FREEBUSY:50000701T000000Z/xx
FREEBUSY:xx/xx
END:VFREEBUSY
END:VCALENDAR