BEGIN:VCALENDAR
PRODID:-//Research In Motion//RIM App//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:REPLY
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:STANDARD
DTSTART:20001029T020000
RRULE:FREQ=YEARLY;BYDAY=4SU;BYMONTH=10
TZNAME:GMT
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:20000326T010000
RRULE:FREQ=YEARLY;BYDAY=4SU;BYMONTH=3
TZNAME:BST
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
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BEGIN:VEVENT
ATTENDEE;RSVP=TRUE;ROLE=REQ-PARTICIPANT;CN=User1;PARTSTAT=ACCEPTED:mailto:user1
 @domain1.tld
COMMENT:ok for me
CREATED:20150823T184526Z
DTEND;TZID=Europe/London:20150823T220000
DTSTAMP:20150823T184527Z
DTSTART;TZID=Europe/London:20150823T210000
ORGANIZER:mailto:user3@domain3.tld
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Test of meeting with Z-push
TRANSP:OPAQUE
UID:f503ce50-49c6-11e5-9533-693764eab43f
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Test of meeting with Z-push in 15 minutes.
TRIGGER;RELATED=START:-PT15M
END:VALARM
END:VEVENT
END:VCALENDAR