Jabra Smart Cord QD to RJ9 Coiled The Jabra GN1200CC cord is the solution to the common problem of not being able to connect your headset and telephone. Even though most things have been standardised, the cord connecting the phone with the handset or headset is anything but standard as each telephone manufacturer has its own wiring code. Now, with the Jabra GN1200CC universal 'smart' cord, one cord will work with virtually any phone providing greater convenience.