A microphone and Webcam attached to the user computer provide audio and video for communications, otherwise only “chat” and desktop sharing are available. Almost any USB Webcam will work with a desktop or laptop computer workstation for use with Lync. Two models that have proven very successful are the Logitech C920 HD Pro Webcam and the Microsoft LifeCam Studio, both with good echo cancellation for the built-in microphone, auto-focus for the high-resolution camera, and a tripod mounting point on the base. They are available for about $75 from the Dell myUF Market punchout.