GN Netcom 8800-01Cord is a special cord (QD - Modular) which allows for any GN Netcom Headset to be adapted to headset-ready phones which would normally take a GN Netcom Direct Connect headset . The typical application for these cords is a call center or office already equipped with GN Netcom headsets, and a new Direct Connect-compatible phone system is purchased. By buying these cords, you can keep your existing GN Netcom headsets rather than having to buy new Direct Connect versions.