| Competitors of our Carrier Networks Division include large, established firms such as Alcatel-Lucent, Cisco Systems, Fujitsu Limited, Huawei, ZTE, Ericsson, Tellabs, and Nokia-Siemens. There are also a number of smaller, specialized firms with which we compete, such as Actelis, Hatteras, Zhone Technologies, Occam Networks, Calix Networks, and other privately held firms. Competitors of our Enterprise Networks Division include Cisco Systems, Juniper Networks, Avaya, Hewlett Packard, Enterasys Networks, Extreme Networks, Allied Telesyn, and other smaller companies. Some of these companies compete in a single product segment, while others compete across multiple product lines. |