A discussion of the Web Conferencing Server must necessarily include a discussion of the interactions between the components: conferencing client, Focus, Focus Factory, Conferencing Server, and Conferencing Server Factory. Definitions of the conferencing components are as follows:

In the Office Communications Server architecture, all conference control commands are sent by clients to the focus, which then relays these commands to the appropriate conferencing servers after verifying that the client that sent the request has the privileges to perform that operation. Media is then exchanged directly between a client and the conferencing servers.

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