Digital Telephony 3rd Edition by John C. Bellamy

Digital Telephony, 3rd Edition by John C. Bellamy offers a comprehensive guide to the principles and applications of digital telecommunication systems. The book covers essential concepts such as pulse-code modulation (PCM), time-division multiplexing (TDM), digital switching, and voice encoding, with a strong emphasis on practical applications and system design. Bellamy presents complex telecommunication systems in a clear and accessible manner, blending theoretical explanations with real-world examples. The third edition has been updated to reflect the latest advancements in digital communication, including ISDN, broadband systems, and mobile telephony. It is an indispensable resource for students and professionals working in the telecommunications industry.