• Get easy access to presence, instant messaging, voice, and audio, video, and Web conferencing—all from the new Microsoft Lync 2010 client.
• Use one set of contacts across Lync 2010 and Office applications.
• Communicate with context from within the applications you use most, including Microsoft Outlook and Microsoft SharePoint.
• Deliver access to presence, instant messaging, and other capabilities for workers on the go via PCs, browsers, and mobile phones.

• Find the right people, make connections, and communicate more effectively with new rich presence features including pictures and location.
• Leverage internal expertise more effectively with Microsoft SharePoint-based Skill Search.

• Delight your users with the features they need, a wide range of IP and USB devices, and the ability to work in the office, at home, or on the road.
• Architect your deployment for high availability using data center resiliency and survivable branch appliances.
• Manage bandwidth utilization and increase Quality of Experience with Call Admission Control, QoS markings, and an adaptive media stack that works well even on unmanaged networks like the Internet.

• Work with a PowerShell-based foundation for administration consistent with Exchange Server, Active Directory, and other Microsoft server products.
• Get consolidated management tasks in one location with dramatically improved navigation through the new Silverlight-based, scenario -driven unified graphical management tool.
• Improve security and administrative productivity with Role-based Access Control (RBAC) with built-in and customer-defined roles.
• Get support for server virtualization of most OCS roles.

• Easily embed Communicator UI elements in your applications, build your own client experience in .NET with open and documented APIs, and enhance contextual collaboration by launching applications right from Communicator.
• Get platform support for sophisticated contact centre and help desk scenarios, enable access to all UC-enabled services from any phone, and deliver state-of-the-art speech technology in 26 languages.
• Significantly simplify deployment, operations, and interoperability with added features that improve provisioning, load-balancing, fail-over, and draining.