- Electronic hook switch adapter
- for XD Series CS500
Extend the wireless freedom of DECT and 900 MHz headsets to your UC system and manage softphone calls with any CS500 series or CS500 XD series headset. The APU-75 provides PC connectivity with one-touch call control across a wide array of softphones. The APU-75 provides Plug-and-Play compatibility with Microsoft Skype for Business.