Flash from the past: Lync 2010 Resource Kit
Did you know there was a Lync 2010 resource kit? A lot of the content is still very useful for Lync 2013 and Skype for Business. I was was one of the dozens of people that worked on it for about a year, amazing project. Get it at: https://www.microsoft.com/en-us/download/details.aspx?id=22644