asterisk users - Mar 2013 - res_calendar.so and res_calendar_caldav.so

dear lists
trying to integrate google calendar with asterisk 1.8.20.1.
but 'calendar show calendars' not showing anything.
when i run 'show modules' on asterisk prompt.
it is not showing  res_calendar_caldav.so module, only showing
res_calendar.so module .
is there anything wrong with google API.

plz help.


abhi
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.digium.com/pipermail/asterisk-users/attachments/20130313/bcb58976/attachment.htm>