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Plantronics
Plantronics CS540 (84693-01) Wireless Mono Convertible Headset- Compatible with Business Phones
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Plantronics Electronic Hook Switch (EHS) #87317-01 allows for "one-touch" remote answer/disconnect calls while roaming around your office with a Plantronics wireless headset. This elminates the need for using the HL10 This device is designed for usage following Cisco SPA phones that support Electronic Hook Switch. Connects Plantronics CS and Savi family headsets to Cisco SPA phones.