In addition to deploying specific server roles, you might also be required to enable voice or conferencing features by using in-band provisioning, setting up Group Policy, or updating client registry keys. The settings you can configure depend on the type of client access license (CAL) you have.

This section discusses the CALs that are available with Office Communications Server. It also describes the effect of server settings on clients and discusses how to configure and manage client settings through in-band provisioning, Group Policy, and registry settings.