Jabra GN1200 CC: Perfect Solution for Jabra Biz 2400 II QD Corded Headsets This is the item that is going to make your communications at work so much easier. Part number JABRA GN1200 CC – 88011-99 Audio Enhancer. This little cable is a wonder! It is made to work with most any business phone and when paired with a JABRA Biz 2400 II QD Corded Headset – you … Continued