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Plantronics currently ships direct to consumer only to the United States, United Kingdom, Germany, France, Italy, Finland, Netherlands, Spain, and Australia.

APU-7/APU-70/APU-71 (Cisco and Avaya EHS Cable) Product Information

Article ID : 000006359
Electronic Hook Switch (EHS) cables provide communication between your phone and Plantronics headset, enabling you to answer and end your calls using your headset call control button.
Installation Instructions
Compatibility Information
EHS cables are designed to work with specific phone models and Plantronics products. The table below provides the compatibility information for the APU-7, APU-70, and APU-71.
EHS Cable Phone Make and Model Compatible Plantronics Product
Part No. 83017-01
  • 8961
  • 9951
  • 9971
  • 1120E
  • 1140E
  • 1150E
CS Series:
  • CS50
  • CS55
  • CS70/CS70N
  • CS351N
  • CS361N
Part No. 83018-01
Same as above CS500 Series:
  • CS510
  • CS520
  • CS530
  • CS540
Savi 700 Series:
  • W710
  • W720
  • W730
  • W740
  • W745
Savi Office:
  • WO100
  • WO200
  • WO300
  • WO350
Part No. 83018-11
Same as above Same as above
* The difference between the APU-70 and APU-71 is that the APU-71 includes a connector for your on line indicator (OLI) light.

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