You can fi nd the planning guide at www.microsoft.com/downloads/
details.aspx?familyid=723347c6-fa1f-44d8-a7fa-8974c3b596f4&displaylang=en.
62 Chapter 2 ??? Microsoft Offi ce Communications Server 2007
Summary
Microsoft OCS 2007 manages all real-time communications including IM, VoIP, and audio
conferencing and videoconferencing. The system will work with your existing telecommunications
systems so that you can deploy advanced VoIP and conferencing without tearing out your
current telephone system.
Solutions Fast Track
What??™s New in OCS 2007?
?› OCS 2007 builds on the foundations and services that Live Communications
Server 2005 and MOC 2005 delivered.
?› OCS 2007 is now integrated with Exchange Server distribution lists.
?› OCS 2007 now supports the ICE framework of protocols, allowing users to take
advantage of its new features wherever those users are located.
Comparing the Editions
?› The Standard Edition provides full functionality for small organizations.
?› The Enterprise Edition: Consolidated Confi guration provides scalability and high
availability while at the same time being relatively easy to plan, deploy, confi gure,
and maintain.
?› The Enterprise Edition: Expanded Confi guration offers maximum capacity, performance,
and availability for large organizations.
OCS 2007 Server Roles
?› The Front-End Server is responsible for handling all signaling among and between
servers and clients.
?› The Edge Server resides in the perimeter network and provides connectivity for
external users and public IM connections.
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