Bellamy, John creator New York Wiley c2000 3rd edition xxv, 643 p. : ill. ; 24 cm. Background and Terminology (Page-1), Why Digital (Page-73), Voice Digitization (Page-91), Digital Transmission and Multiplexing (Page-161), Digital Switching (Page-225), Digital Modulation and Radio Sys (Page-277), Network Synchronization Control and Management (Page-335), Fiber Optic Transmission Sys (Page-383), Digital Mobile Telephony (Page-437), Data Asynchronous Transfer Mode Networks (Page-455), Digital Subscriber Access (Page-495), Traffic Analysis (Page-519). John C. Bellamy. Digital telephone systems 621.385,BEL 9814126357 99034015 http://www.loc.gov/catdir/description/wiley0310/99034015.html http://www.loc.gov/catdir/toc/onix01/99034015.html http://www.loc.gov/catdir/description/wiley0310/99034015.html http://www.loc.gov/catdir/toc/onix01/99034015.html 20221223100311.0