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Deploying
IBM® Sametime® consists of a variety of servers and clients, and can be deployed to suit many different environments. The deployment instructions are organized by feature set, beginning with the minimum components that are necessary to support instant messaging, and then expanding the deployment to include features such as audio and video support, and conferencing.
Deploying instant messaging
Instant messaging features are provided primarily by the IBM® Sametime® Community Server, which supports presence, text chats, and two-way phone calls.
Deploying Sametime® Community Server to support external users
If your IBM® Sametime® deployment will support users hosted outside of your organization's intranet, you have several options for deploying and configuring the Sametime Community Server to support those users.
Using multiple non-clustered Sametime® Community Servers
Install multiple IBM® Sametime® Community Servers to support a large or geographically distributed user community and synchronize the servers to operate as a single Sametime community.
Integrating a Sametime® server into an existing Sametime® community
This topic provides an overview of the tasks involved in integrating a new IBM® Sametime® server into an existing Sametime community.
Configuring ports for server-to-server connections
In an IBM® Sametime® deployment, mutltiple Community Servers must be able to communicate on specific ports.

Configuring ports for server-to-server connections

In an IBM® Sametime® deployment, mutltiple Community Servers must be able to communicate on specific ports.

Table 1 lists the ports on which Sametime Community Servers communicate. When the ports are open, Community Services data can pass between the servers, and one Community Server can detect users connected to another Community Server.

Table 1. Ports on which Sametime Community Servers communicate with each other
Port	Description
Port 1516	The Community Services listen for direct TCP/IP Connections from the Community Services of other Sametime servers on this port. If you have installed multiple Community Servers, this port must be open for presence, chat, and other Community Services data to pass between the servers.
Port 1352	The Community Servers must be able to communicate on port 1352 for replication to occur between the Sametime servers. This is the port used for Domino® Remote Procedure Calls (RPCs).