Jabra HHC EHS Cisco Cable, item number 14201-16, Electronic Hookswitch, for use with the following Cisco 7900G series phones manufactured after 9/2007: 7975G, 7965G, 7945G, 7962G, and 7942G.

* HHC requires Cisco Unified Communications Manager 4.1(3) or above plus the 8.3(3) phone firmware load.
Available from October 2007.
** When the USB link is active, you must answer the call using the headset control.