We have variety of Microsoft Office Communicator (MOC) and Microsoft Lync Optimized Headsets (both wireless and corded) that delivers wideband audio performance (200hz - 6800hz).  From the new Plantronics Savi Go (wireless) to the inexpensive Plantronics C420-M (corded).  All the Office Communicator headsets are designed specifically for OC, true plug and play and most have Microsoft Office Communicator/Microsoft Lync controls directly from the headset. Also see our Office Communicator Headset FAQ page