Office 365 - Reporting web service - CsConference* report TotalConferences value clarification

Question

Site Map: Office development > Office 365 > Reporting web service > Reference > Lync reports > CsConference*
report<o:p></o:p>
In Office 365, Lync Conferences
Report.
Field - "TotalConferences" is the number of conferences of all types
in the reporting period. The sum of other conference type (IM, Audio/video, App
Sharing, Web, dial-in) count doesn't equal/match the Total Conference count.<o:p></o:p>
In the attached screen shot for a reporting period.
IM Conference Count : 197
Audio/video Conference Count : 67
Application sharing Conference Count : 68
Web Conference Count : 10
Dail-in Conference Count : 5
The sum of the above conference type is 347. In the report
"Total Conference" count is displaying it as 268.<o:p></o:p>
why is the difference?
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Answer 1

That document is pretty old last modified March 2013 so I would say it's out of date. The reporting services are still pretty new in the current release I believe 7 days is limit for the Rest Endpoint and the Get-MessageTrace cmdlet (which is what
the more recent documentation around message tracking say) there is no REST endpoint for Start-HistoricalSearch you can see all the current endpoints by looking at the Metadata via
https://reports.office365.com/ecp/reportingwebservice/reporting.svc/$metadata
These services are evolving so new features and reports are added which is explained in
http://msdn.microsoft.com/EN-US/library/office/jj984346(v=office.15).aspx . But there is no public information on Timeframes and what reports and features are going to be added in future updates (that I know of). If you need data older then
7 days then Automating the HistoricalSearch cmdlets would be the way to do it for now.
Cheers
Glen