Jabra GN1200 Smart Cord fits virtually all telephones featuring a standard RJ9 modular connector and works with any GN/Jabra headset equipped with Quick Disconnect 

The GN 1200 Smart Cord features eight separate wire schemes – including three with built-in microphone amplification. Simply connect your headset to the GN 1200 Smart Cord quick disconnect and slide the switch, located under the panel on the side of unit, until you have a dial tone. It’s as simple as that. 

Compatability type is selectable through dial on cord.

Features:

-Works with over 90% of all business telephones – including VoIP models

-Offers transmit amplification when needed

-Works with vast number of business phones that support a direct connect headset

-Never be without the right cord even if moving to a new phone system

-Simple slide adjustment makes for easy setup

-7 feet of coiled cord