The Communicator for Mac 2011 Deployment Guide covers the following: Note: You can also view the Communicator for Mac 2011 Deployment Guide online. Communicator for Mac 2011 provides real-time collaboration between people in different locations by using several methods of communication, including instant messaging (IM), presence, Web conferencing, and audio/video (A/V) conferencing. Intended for IT Professionals, the Microsoft Communicator for Mac 2011 Deployment Guide provides guidance for using Microsoft Communicator for Mac 2011 with Microsoft Office Communications Server 2007 R2.