SAP ByDesign webservice : Query Employee Actual times

Hello, 

Is it truly the lawsuit that this webservice is not supported astatine each erstwhile the presumption is "not released". ? I should beryllium capable to usage the webservice to retrieve worker timesheets for circumstantial clip periods and past delete those timesheets. There are respective 1000 rows involved, truthful manual deletion is not an option. As acold arsenic I understand, determination is nary anticipation for wide deletions successful the UI either, truthful webservice is the lone enactment here.

I tried this webservice via SOAP, but the errors conscionable seemed to bespeak that this webservice is not supported. Other imaginable supported web services tin besides beryllium pointed out. 

Any tips connected however to woody with this? 

Thanks successful advance,