Zhone Technologies, Inc. designs, develops, manufactures, and sells communications network equipment for telecommunications operators and enterprises worldwide. It offers single line multi-service (SLMS) architecture, which provides support for voice over Internet protocol and IP entertainment by integrating access, transport, customer premises equipment, and management functions in a standards-based system. The company’s SLMS products include broadband aggregation and service products to aggregate, concentrate, and optimize communications traffic from copper and fiber networks, which are deployed in central offices, remote offices, points of presence, curbsides, data and co-location centers, and enterprises; customer premise equipment that offers solution for combining analog voice and data services to the subscriber’s premises over a single platform; Zhone Management System that provides optional software tools to manage aggregation and customer premises network hardware; and FiberLAN passive optical LAN used for a single building or large campus environments. Its SLMS products deliver voice, data, and video interface connectivity for broadcast and subscription television, Internet routers, and telephony equipment. The company also provides products that are deployed by service providers to support various voice and data services; and provides technical support, product repair, and education and support services. Zhone Technologies, Inc. sells its products and services to network service providers directly, as well as through distributors, resellers, system integrators, and service providers. The company was founded in 1999 and is headquartered in Oakland, California.