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APT-3/APT-30/APT-31 (Avaya/GmbH/Tenovis EHS Cable) Product Information

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 Information

Click here for 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 APT-3, APT-30, and APT-31.

EHS Cable Phone Make and Model Compatible Plantronics Product
APT-3
Part No. 38349-01
 
Avaya/Tenovis
  • T3 Classic with Interface Adapter
  • T3 Classic with Interface Adapter, TH13, TM13
CS Series:
  • CS50
  • CS55
  • CS70/CS70N
  • CS351N
  • CS361N
APT-30*
Part No. 37820-01
Same as above CS500 Series:
  • CS510
  • CS520
  • CS530
  • CS540
Savi 700 Series:
  • W710
  • W720
  • W730
  • W740
  • W745
Savi Office:
  • WO100
  • WO200
  • WO300
  • WO350
MDA200
APT-31*
Part No. 37820-11
Same as above Same as above

* The difference between the APT-30 and APT-31 is that the APT-31 includes a connector for your on line indicator (OLI) light.

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