Packet switching and the communication networks of the eighties and beyond

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Abstract
Packet switched data communication services are now firmly established as a multi-million dollar industry. In the not too distant future, packet switching technology will be applied to the communication of voice as well. The availability of voice packet networks (whether separate or integrated with data) will have profound implications in providing cost-effective access to emerging voice-based computerised information services. Al though such networks are technically and economically feasible at the present time, there are a few minor problems to over come before they become widely available. This article ex amines the principles, economics, benefits and prospects of employing the packet switching principles in the transmission of voice.