Refurbished Plantronics APP-51 EHS Cable for Polycom Phones with Warranty.
Electronic Hook Switches (EHS) communicate electronically with your phone giving your wireless headset answer/end and ring alerts remotely.
The use of an EHS cable eliminates the need for an HL10 handset lifter.
Warranty: 10 Years
UPC: 017229137363
PN: PLAN-APP-51
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