Plantronics® APD-80 Adapter cable is used with CS500 series wireless headset system, savi office, savi 700 series as well as grandstream GXP2124 IP phone.Plantronics® APD-80 Adapter cable allows you to answer and end calls with a headset call control button. Cable features an electronic hook switch that offers communication between the phones.
Electronic hook switch (EHS) cables provide communication between your phone
Plantronics headset enabling you to answer and end calls using headset call control button