Traditional calling features Provide all the features users need , including call by name, hold, forward, transfer, divert, park, retrieve, voice mail, and conferencing, and improve on traditional voice systems with presence, instant messaging, and SharePoint-based Skill Search.

Call Coverage Make it easy to ensure that important calls are answered by administrative assistants or team members, via user-controlled Delegation and Team Calling respectively.

Call Queuing and Routing Configure one or more Response Groups, with optional interactive voice response (IVR), automatic speech recognition, and synthesis, to intelligently route calls to helpdesks, hotlines, and other informal contact centers.

Choice of Endpoints Deploy the right tool for the job—be it an IP or USB endpoint, or the Lync 2010 or Lync 2010 Attendant soft-client—and save money in the process.

Anywhere access Deliver high-quality voice and other features to users anywhere with an Internet connection—no VPN or third-party solutions required.

Use your network more efficiently Use integrated call admission control to limit the Lync Server 2010 voice and video traffic on constrained network links to help maintain a consistent quality of experience.

Deploy with confidence Take advantage of data center resiliency options and survivable branch appliance products from Microsoft partners to provide highly available voice communications.

Support a safer workplace Use Lync Server 2010 Enhanced 9-1-1 with third-party routing services to automatically provide a user’s location during emergency calls and meet North American regulatory requirements.

Migrate at the right time Maximize return on investment and minimize disruption by integrating enterprise voice with your existing IP PBX infrastructure using options qualified via the Microsoft Unified Communications Open Interoperability Program. Move users over time, and retire your existing PBX when you are ready.