Amdocs Limited provides software and services to the communication service industry worldwide. It offers a modular portfolio of business support systems and operations support systems, including revenue management, such as comprising billing, mediation, and partner settlement; customer management comprising ordering, customer relationship management, and self- service; service and resource management, which consists of network management, and planning and fulfillment; digital commerce management, such as content revenue management; and foundation products, including enterprise product catalog. The company also provides information technology services, including extensive consulting, business strategy, system implementation, training, integration, modification, ongoing support, enhancement, and maintenance services. In addition, Amdocs offer managed services, such as system modernization and consolidation, the operation of data centers, ongoing support, maintenance services, system modification, rating and billing services, and communications facility management services. Its software services support various lines of business, including wireline, wireless, cable, and satellite, as well as a range of communication services, such as voice, video, data, IP, broadband, content, electronic, and mobile commerce applications. Further, the company offers a range of directory sales, and publishing systems and related services for publishers of traditional printed yellow page and white page directories, and electronic Internet directories. It serves primarily communications, and broadband cable and satellite companies; and network operators and service providers, as well as directory publishers. The company was founded in 1988 and is based in Chesterfield, Missouri.