and its subsidiaries engage in the design, development, and marketing of communications network equipment for telephone companies and cable operators worldwide.
The company offers its products in three categories, including single line multiservice architecture, which includes network and subscriber management, broadband aggregation and service, and customer premise equipment; wavelength division multiplexer and dense wavelength division multiplexer that transport nonlinear, interactive, and content-based services, including gigabit ethernet transport, video distribution, storage area networks, and edge aggregation; and legacy products, which support various of voice and data services.
It sells its products and services to network service providers offering voice, data, and video services to businesses, governments, utilities, and consumers, including regional, national, and international telecommunications carriers, as well as cable service providers.
The company is headquartered in Oakland, California.
