Use this HIC-1 cord to connect any Plantronics H-Series Headset directly to your telephone headset port. This provides you with "on-hook" functionality so that you won't have to lift your telephone handset off the receiver for every call when using your Plantronics headset. Please only purchase this cable if you have one of the phone models specifically listed below. You will NOT need to purchase a Plantronics external amplifier/adapter if you have one of the listed phone models. This cord is all you need to connect your Plantronics H-series Headset to your phone. The cord has a modular plug at one end and a Quick Disconnect at the other.
Compatible with the following AT&T/Lucent/Avaya phones ONLY:
Definity 2410, 2420, 2430, 6416D+M, 6424D+M,
Merlin Magix 4424LD+ (4400-WLD), 4424D+ (4400-W24), 4412D+ (4400-W12), 4406D+ (4400-W06)
IP Models 5410IP, 5420IP, 5610IP, 5620IP.