Abstract
At the present time, some 800 million people worldwide can communicate with one another via the telephone. However, while this is indeed a very long road, it is by no means a superhighway since it can only operate at low speed, and hence is suitable only for voice telephony and value-added network services (VANS) such as fax, electronic mail and other low-speed data services. Furthermore, it is largely based upon old-fashioned analogue rather than modern digital technology.
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© 1997 Peter Curwen
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Curwen, P. (1997). Telecommunications Networks and Services. In: Restructuring Telecommunications. Palgrave Macmillan, London. https://doi.org/10.1057/9780230375451_3
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DOI: https://doi.org/10.1057/9780230375451_3
Publisher Name: Palgrave Macmillan, London
Print ISBN: 978-1-349-40519-0
Online ISBN: 978-0-230-37545-1
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