EHS - Electronic Hookswitch Cable  For the Freedom II Wireless Headset 

An electronic hookswitch cable gives the user the ability to answer a call and end a call remotely. The cable eliminates the need for a handset lifter. ONLY SPECIFIC PHONES HAVE THE OPTION FOR AN EHS CORD. If you do not have that option, you can answer remotely using a handset lifter.

There is different EHS Cable for different models of telephones, this cable is for the Polycom phones.  Contact us with any questions, or if you are looking for a EHS cable for another phone.