Electronic Hook Switch- communicates electronically with the phone, eliminating the need for a HL10 lifter. Allows remote and automatic answering of calls by pressing a button your headset.

Compatible with the following Polycom SoundPoint IP phone models:

Polycom SoundPoint IP 320¹
Polycom SoundPoint IP 321¹
Polycom SoundPoint IP 330¹
Polycom SoundPoint IP 331¹
Polycom SoundPoint IP 335
Polycom SoundPoint IP 430
Polycom SoundPoint IP 450
Polycom SoundPoint IP 550
Polycom SoundPoint IP 560
Polycom SoundPoint IP 650
Polycom SoundPoint IP 670

¹ SoundPoint IP 320/321/330/331 require a 2.5mm to RJ-9 converter cable to connect to the headset port.

Compatible with all Plantronics wireless headset systems, including:

Plantronics Voyager 510S
Plantronics CS55
Plantronics CS70N
Plantronics CS351N
Plantronics CS361N

This cable is not suitable for use with the Plantronics Savi Office headset range. The Plantronics APP-50 cable is the correct cable for the Savi Office.

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Plantronics Savi Office EHS Cable for Polycom IP Phones (APP-50)

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