I try to use res_calendar with ownCloud. While it works with google/ics, I’ve some difficulties with caldav and ownCloud. According to the logs and tcpdump the calendar entries have been fetched but they are not available in Asterisk. ‘calendar show calendars’ doesn’t show the status busy, ‘calendar show calendar owncloud’ doesn’t show the current events. I also don’t get any result with CALENDAR_QUERY/CALENDAR_QUERY_RESULT. I haven’t seen any special error message (core set verbose 10) while reloading the config and fetching the calendar entries.
On the wire I see the following answer from the ownlcloud server.: