Spc Digital Telephone Exchanges
Felix Redmill · Medical Entomology and Zoology · 1990
Part 1 Fundamentals of telephony and introduction to digital exchanges: introduction to telecommunications networks introduction to switching systems introduction to SPC digital telephone exchanges. Part 2 Digital switching: time-division multiplexing principles of digital systems digital switching line terminations at digital exchanges the handling of signalling within SPC digital exchanges the design and architectures of SPC digital exchanges digital-network synchronization. Part 3 Exchange control by stored program: introduction to SPC data structures for SPC software the specification and description language elements of control call processing system software software organization. Part 4 Network and operational aspects: network control common-channel signalling planning considerations ISDN and the introduction of new services.