Calendaring support for Exchange Server 2007+ via EWS
This commit adds support for calendaring with Exchange Server 2007+ via
Exchange Web Services. Full write support and for querying attendees. Many
thanks to Jan Kaláb for the feature.
(closes issue #17022)
Reported by: pitel
Patches:
res_calendar_ews.c uploaded by pitel (license 1008)
Tested by: pitel, twilson
Review: https://reviewboard.asterisk.org/r/557/
Review: https://reviewboard.asterisk.org/r/668/
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@265317
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