PLANTRONICS Spare Hookswitch Assembly (2.5mm to QD), 48590-41
Mute function
Receive volume control and Call Clarity technology
Compatible with the telephone/voice terminals used with DEFINITY Enterprise Communications Server (ECS)
Compatible with the DEFINITY Communications system, including 7400 and 8400 Series DCP sets
Connect any Plantronics "H" series headset.
One Touch hook switch control with green status indicator
One Touch microphone mute control with green status indicator
High quality direct headset interface with receive volume control
Quick Disconnect allowing user to disconnect the headset from the adapter without having to remove the headset
Compatible with all of the Avaya Freedom of Choice and Plantronics Headsets with a quick disconnect (QD) connector