BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EGroupware//NONSGML EGroupware Calendar 1.9.009//DE
METHOD:REQUEST
BEGIN:VFREEBUSY
UID:c376d465-1048-1249-b1ea-e0d1079a707a
DTSTAMP:20130129T211211Z
DTSTART:20130128T230000Z
DTEND:20130213T225959Z
ORGANIZER:mailto:ralf@caldav.egroupware.net
ATTENDEE:mailto:someone@example.com
END:VFREEBUSY
END:VCALENDAR
