Plantronics APT-31 CS500, Savi EHS Cable Avaya GMBH Tenovis

Plantronics APT-31 Savi and CS500 series Electronic Hook switch (EHS) cable for Avaya Phones. compatible with the following Plantronics wireless headsets:

Plantronics CS540, CS510, CS520 , Plantronics Savi WO100, Plantronics Savi WO200, Plantronics Savi WO300 Plantronics Savi WO350 , Plantronics Savi W740, Plantronics Savi W710 , Plantronics Savi W720 , Plantronics Savi W730 , Plantronics Savi W745

This cable works with the following Avaya phone models (do not order if your phone model is not listed):

Tenovis T3 classic, T3 IP classic, T3 IP II classic, T3comfort, T3 IP comfort, T3 IP II comfort, T3 compact, TH 13, TM 13, TS 13, OS13, OS 33