Have you seen the Lync Attendant?
Lync Attendant is an intuitive call management application that helps you manage large numbers of simultaneous calls
It’s a free download, and you can find it here:
You can install both the Attendant and the Lync Client on the same box, but you can not run them at the same time!
Have a look at this great PowerPoint deck, which gives you this (copy-paste from the download link ):
“"This training course covers the following Microsoft Lync 2010 Attendant features:Using the Contacts ListUnderstanding Call ControlsMaking and Receiving CallsManaging Multiple ConversationsSetting up Team-Call GroupsHow to Park and Retrieve CallsLync Attendant is an intuitive call management application that helps you manage large numbers of simultaneous calls. Lync 2010 Attendant runs in a full screen window to provide a streamlined desktop experience.”
Available for download here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=09794bf0-362c-4f1d-92af-72b93e1c998e