TheĀ Poly APU-75D EHS Cable to USB Connection for CS500 Series is an Electronic Hook Switch (EHS) cable that enables to extend wireless freedom of DECT and 900 MHz headsets to your UC system. In addition, the APU-75D provides plug and play compatibility with Microsoft Skype for Business. It is designed for CS500 Series or CS500-XD Series headset.
Poly APU-75D Electronic Hook Switch Cable:
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