If you want to use Voice over IP (VoIP) to provide telephone service for your organization, Microsoft's software-powered VoIP solution, Enterprise Voice, can provide it without requiring major changes to your existing telephone system. Together with instant messaging (IM), conferencing, audio/video (A/V) features, and full integration with Outlook and Microsoft Exchange Unified Messaging, Enterprise Voice enables Office Communications Server users to communicate with colleagues throughout the enterprise by a variety of means, and it makes the transition to VoIP easier and more cost efficient by enabling you to use existing routers, gateways, PBXs, and telephones that are compatible with Office Communications Server.

Enterprise Voice enables users to:

In addition to productivity enhancements for users, Enterprise Voice provides the following benefits for the enterprise: