I am not able to find any online article or document that explains how a lync mobile client discovers Exchange. I know it requires EWS/Autodiscover published externally via reverse proxy. I had no luck on gettin answers in the Lync forum so I wanted try it here. I wold love to find some details or an article on how Lync mobile client will connect to Exchange to retrieve free/busy and contact information from

Hi,

This could be helpful to your searches: http://www.justin-morris.net/how-does-lync-2010-use-exchange-calendar-information/