Use one headset for both your PC and desk phone. Easily switch between PC softphone, Skype, etc. and desk phone calls. Compatible with most phone types. Boost microphone volume, if needed, when used with desk phone. Available with V, G or P-style quick disconnect to work with any headset. Plug-and-play USB connection to your computer. Accessory Type: PC/Phone Switch For Use With: Vxi Headsets. If you use a headset with both your desk phone and PC—or would like to—VXi just made it easy. With the ConneXt PC/Phone Switch, your headset can now do double duty. At the flick of a switch, you're headset-ready for your desk phone, soft phone or any PC audio application.