The Microsoft Lync Presence widget shows Lync presence information on your website. Website visitors can start chat conversations using the Lync Chat widget. The widgets are jQuery plugins communicating with a WCF Service. Place them on any kind of website (PHP, .NET) and style with CSS.
Live demo at http://www.orbitone.com/en/company/Pages/People.aspx
Download this project from CodePlex
http://lyncwidget.codeplex.com/