Telworx | Tellabs Inc

Tellabs, Inc. The Group's principal activities are to design, manufacture, market and service optical networking, voice-quality enhancement and broadband access solutions. The Group also provides professional services that support its solutions. The products and services are used worldwide by public telephone companies, long-distance carriers, alternate service providers, cellular and other wireless service providers, cable operators, government agencies, utilities and business end-users. The Group's products are sold in the domestic and international markets. Optical Networking accounted for 44% of 2002 revenues; Broadband, 35%; Voice-Quality Enhancement, 5% and Customer services and other 16%.