Poly EHS APU-75 - electronic hook switch adapter for headset

Use the APU-75D Electronic Hook Switch Cable to extend the wireless freedom of DECT and 900 MHz headsets to your UC system and manage phone calls with any CS500 series or CS500 XD series headset. This switch cable provides PC connectivity with one-touch call control across a wide array of softphones. The APU-75D provides plug and play compatibility with Microsoft Skype for business. This cable works with Mitel 6867 and Mitel 6869 desk phones.