TABLE OF CONTENTS Office Communications Server (OCS), by default, enables users to make PC-to-PC voice and video calls. Although PC-to-PC calls are a handy way for users within an organization to talk, they don t address the need to communicate with non-OCS users with devices such as home phones, cell phones, and Private Branch Exchange (PBX) phones. OCS 2007 provides a few ways to do this, and these methods are the subject of this chapter.
OCS has two major categories of integration with non-OCS voice solutions: Enterprise Voice and Remote Call Control. The rest of the chapter will explain how and why you may want to integrate OCS using one of these two methods.
The Enterprise Voice option turns your OCS client into a soft phone by using your PC s microphone and speakers like a telephone. (You can also use a headset plugged into your PC). To call a person using Enterprise Voice, you click on the person s contact name in the OC client and select Dial, or you type the person s phone number into the OC client. OCS then will send the call to the remote phone system and establish a call between the two phone systems.
Most PBXs support analog lines and digital lines for connectivity, whereas OCS supports only Voice over IP (VoIP). To make these two different systems talk, you need a third-party voice gateway. The gateways can translate between OCS s VoIP communication and the PBX s analog or digital communication. A typical gateway...
