Plantronics Electronic Hook Switch (EHS) #38439-11 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 Polycom phones that support Electronic Hook Switch:
Software Requirements
All of the phone models must run SIP application 3.1 or higher and BootROM 4.1.0 or later, except for the SoundPoint IP 670, which must SIP application 3.0.2 or higher and BootROM 4.1.0 or later.
Phone Settings (SoundPoint IP Phones)
Set the headset mode on your phone to "Plantronics Mode" before connecting your Plantronics headset system to your phone. To do so,
Phone Settings (VVX Phones)
Set the headset mode on your phone to "Plantronics Mode" before connecting your Plantronics headset system to your phone. To do so,
NOTE: Additional Adapter Required for Polycom Models below
The following phone models require an additional converter adapter to connect the EHS cable to the 2.5mm headset port: