Reference Topology
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
The following diagram shows the Office Communications Server 2007 R2 consolidated topology.
Figure 1. Office Communications Server 2007 R2 consolidated topology
In the Office Communications Server 2007 R2 consolidated pool topology, the following server roles and services are collocated on the same computer as the Front End Server:
Address Book Service
Address Book Web Query Service
Application Server
Application Sharing Server
A/V Conferencing Server
Conference Announcement Service
Conference Attendant
Group Expansion Service
IM Conferencing Server
Outside Voice Control
Response Group Service
Telephony Conferencing Server
Device Update Server
Web Conferencing Server
In the Office Communications Server 2007 R2 consolidated edge topology, the following services are always installed on each Edge Server:
Access Edge service
A/V Edge service
Web Conferencing Edge service