Plantronics APS-1 EHS has been discontinued. If you have one of the older, discontinued Plantronics wireless headsets such as CS55, CS50, CS70N, CS351N, CS361N, you will unfortunately not be able to use the newer EHS cords. Your options would be to get the older model HL10 handset lifter with right angle plug (60961-34), or buy yourself a brand new wireless headset like the CS540
with the new EHS APS-11
Plantronics APS-1 electronic hookswitch (APS1 EHS cable) allows for electronic call answer/end capability from the wireless headset from anywhere within range without the need for a mechanical handset lifter.
The Plantronics APS-1 is for use with the following Aastra telephones 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, 6757i CT, 6771, 6773, 6 775, 6773 IP, 6775 IP, 5370 IP, 5380 IP, 5730 IP, Office 70, Office 80.
Special Note ONLY for Aastra Phones6735i, 6737i, 6753i, 6755i, 6757i and 6757iCT: You will need to enable EHS (electronic hookswitch) on your phone settings by pressing the spanner button on the phone, then selecting "Audio" then changing audio as "headset/speaker" and headset as "DHSG." Then please reboot the phone and then press the "talk" button on the headset to get dial tone on the headset.
Additional Note ONLY for Aastra Phones 6735i, 6737i, 6753i, 6755i, 6757i and 6757iCT: In order to make the Plantronics aps-1 electronic hookswitch (38347-01) work with your phone, you will need an additional cable called the Aastra DHSG cable (Aastra part D0062-0011-34-00). Please see below to add this Aastra DHSG cable to your cart.