Ease the transition to Unified Communications with the practical and affordable. Audio 1100M USB Handset. Designed for phone users hesitant to manage calls on the PC, the. Audio 1100M features a familiar 10-key dial pad and traditional call control buttons. The ergonomic USB handset provides the option to dial on screen through its integration with Microsoft Office Communicator 2007 and Microsoft Lync 2010. Also work with Skype and other softphone applications.