This updated edition offers a thorough presentation of both the technical and business aspects of data and voice communications in a single volume. Comprehensive coverage explores all the latest telecommunications technologies and fundamentals, including project management and data/voice networks equipping readers with the "big picture" that is crucial to understanding how technology interacts with business in today's information age. Real-world examples accompany all technical material, arming readers not only with theoretical information but the application of those concepts as well. The end result will be a global understanding of telecommunications that includes current and emerging technologies as well as traditional material.