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Features and Components

Communications Server 2007 R2

Topic Last Modified: 2009-04-26

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 Office Communications Server 2007 R2 Technical Overview in the Getting Started documentation.

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