Get Out of Office settings from Transport Agent

Hello.

I need to get OOF settings for user from Transport agent. I have found this article: 

http://msdn.microsoft.com/en-us/library/office/exchangewebservices.getuseroofsettingsrequest(v=exchg.150).aspx

How I should create ExchangeServiceBinding to get OOF settings for user@mail.com for example?

Thanks in advance.