Telecommunications network design and operation is now widely regarded as an issue of business management as well as electrical engineering. In this updated edition, Martin Clark, a pioneer of this perspective, applies it to the increasingly complex and diverse realm of voice, data and multimedia networks. Written in an accessible style and clearly illustrated throughout, this is a basic, practical and intuitive insight into modern network engineering with sections including: * Technical accounts of modern voice, data and multimedia networks * Coverage of ATM, B-ISDN, SDH, mobile radio and satellite networks, Internet and TCP/IP * Practical aspects of running and setting-up networks * Running a business based on telecommunications A text specifically for readers new to the whole subject of telecommunications, and professional telecommunications managers who need an introduction and reference work on all aspects of technology, operational techniques and regulation.