Zhone Technologies, Inc., together with its subsidiaries, designs, develops, and manufactures communications network equipment for telecommunications, wireless, and cable operators worldwide. It offers single line multi-service (SLMS) architecture, which provides support for voice over Internet protocol (VoIP) 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 that are deployed in central offices, remote offices, points of presence, curbsides, data and co-location centers, and enterprises to aggregate, concentrate, and optimize communications traffic from copper and fiber networks; customer premise equipment, which offers solution for combining analog voice and data services to the subscriber’s premises over a single platform; and Zhone Management System that provides optional software tools to manage aggregation and customer premises network hardware. These products deliver voice, data, and video interface connectivity for broadcast and subscription television, Internet routers, and telephony equipment. It 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. The company sells its products and services to network service providers through distributors, resellers, system integrators, and service providers. Zhone Technologies, Inc. was founded in 1999 and is headquartered in Oakland, California.