The following table summarizes the principal features and functionality provided by Office Communications Server 2007 R2, along with the server roles and clients they require.
In addition to the components described in the table, additional infrastructure components are required, such as Active Directory Domain Services and any components that might be required to support performance, availability, and fault tolerance requirements. For details about those components and their requirements, see Determining Your Infrastructure Requirements. Also, specific features may require deployment of additional components as prerequisites. For details about the requirements of specific features, see Planning for Internal Deployment of Office Communications Server 2007 R2, Planning for External User Access, Planning for Voice, and Planning for Mobile Access.
Table 1. Office Communications Server Functionality Mapped to Server Roles and Clients
| To provide this functionality | You must deploy this server role in addition to Standard Edition server or Enterprise pool | and can use these clients |
|---|---|---|
|
IM and presence for internal users |
Standard Edition server or Enterprise pool; no additional server roles required |
Communicator 2007 or Communicator 2007 R2 Group Chat |
|
On-premises Web conferencing |
Standard Edition: No additional server roles required Enterprise Edition: No additional server roles required |
Communicator 2007 or Communicator 2007 R2 Microsoft Office Live Meeting Client in Office Communications Server 2007 or Office Communications Server 2007 R2 Outlook add-in (to use Outlook for scheduling conferences) |
|
A/V conferencing |
Standard Edition: No additional server roles required Enterprise Edition: No additional server roles required |
Communicator 2007 or Communicator 2007 R2 Live Meeting Client in Office Communications Server 2007 or Office Communications Server 2007 R2 Outlook add-in (to use Outlook for scheduling conferences) |
|
Dial-in conferencing |
Application Server, which is automatically installed Mediation Server and third-party basic media gateway OR basic-hybrid media gateway (Mediation Server is collocated with basic media gateway) OR Mediation Server with a connection to a SIP trunking service provider 2007 R2 version of Communicator Web Access server (requires HTTP reverse proxy for external users) Activation of Conferencing Attendant and Conferencing Announcement Service applications during Enterprise pool configuration or during Standard Edition server installation |
Conferencing Add-in for Microsoft Office Outlook (to use Outlook for scheduling conferences) |
|
Address book file download |
Standard Edition: No additional server roles required. Enterprise Edition: file server, and Web Components Server |
Communicator 2007 or Communicator 2007 R2 Communicator 2007 R2 Attendant Communicator Phone Edition 2007 or Communicator Phone Edition 2007 R2 |
|
Address book Web query |
Standard Edition: No additional server roles required Enterprise Edition: Web Components Server |
Communicator Mobile for Windows Mobile Communicator Mobile for Java |
|
Persistent chat rooms |
Group Chat Server |
Group Chat |
|
Archiving |
Archiving Server |
No requirement |
|
QoE and CDR |
Monitoring Server |
No requirement |
|
External user access |
Edge Server* HTTP reverse proxy* |
Communicator 2007, or Communicator 2007 R2 |
|
Federation |
Edge Server* HTTP reverse proxy* |
Communicator 2007, or Communicator 2007 R2 OR Communicator 2005, for federated domains running Live Communications Server 2005 (supports only IM) |
|
Public IM connectivity |
Edge Server* HTTP reverse proxy* |
Communicator 2005, Communicator 2007, or Communicator 2007 R2 OR MSN, Yahoo, or AOL instant messaging client |
|
Web conferencing with external users |
Edge Server* HTTP reverse proxy* |
Communicator 2007 or Communicator 2007 R2 Live Meeting Client in Office Communications Server 2007 or Office Communications Server 2007 R2 |
|
A/V conferencing with external users |
Edge Server* |
Communicator 2007 or Communicator 2007 R2 Live Meeting Client in Office Communications Server 2007 or Office Communications Server 2007 R2 |
|
IM and presence through a browser-based client |
Communicator Web Access Server (requires HTTP reverse proxy for external users) |
Communicator Web Access |
|
Mobile Access |
Communicator Web Access Edge Server* |
Microsoft Office Communicator Mobile for Windows Mobile Microsoft Office Communicator Mobile for Java |
|
Outside Voice Control |
Application Server, which is automatically installed Edge Server* Mediation Server and third-party basic media gateway OR Basic-hybrid media gateway (Mediation Server is collocated with basic media gateway) OR Mediation Server with a connection to a SIP trunking service provider |
Communicator Mobile for Windows Mobile Communicator Mobile for Java |
|
Enterprise Voice |
Edge Server (on which the A/V Authentication service is collocated) AND one of the following: Mediation Server and third-party basic media gateway OR Basic-hybrid media gateway (Mediation Server is collocated with basic media gateway) OR Mediation Server with a connection to a SIP trunking service provider |
Communicator 2007 or Communicator 2007 R2 OR Office Communicator 2007 Phone Edition or Office Communicator 2007 R2 Phone Edition |
|
Call delegation |
No additional server roles required |
Communicator 2007 or Communicator 2007 R2 |
|
Call routing and queuing |
No additional server roles required, other than Application Server, which is automatically installed, and selection of Response Group during installation |
Office Communicator 2007 R2 Attendant or Office Communicator 2007 R2 is required for agents |
|
Automatic updates for Communicator Phone Edition and Microsoft RoundTable |
Standard Edition: No additional server roles required Enterprise Edition: Web Components Server |
No requirement |
* An Edge Server is always required if you want to support external user access, including mobile access. Additionally, an HTTP reverse proxy is required to support external user access to meeting content, Address Book files, and distribution group expansion.
For details about the Office Communications Server 2007 R2
server roles and architecture, see the