This paper is mainly about a new radio telphone system which provides an effective and economical means for opening long distance public call offices (LDPCOs) or subscriber connections in rural areas...
Until the 1960s all telephone switching systems used electromechanical components and progressed from step-by-step to machine-driven to crossbar exchanges. The rapid and unprecedented advances in the 1960s...
This paper discusses mainly the practical implementation of applying tariff principles in the telecommunications sector and examines the implications and limitations of marginal opportunity cost pricing...
This paper describes two modern VHF rural systems which offer, for the first time, a combination of features essential for successful rural applications, including low investment and recurring costs. Rural...
Telecommunication utilities operating efficiently on commercial lines are able to generate a very high proportion of investment funds for maintaining a high growth rate of telecommunication facilities...
Recent advances in electronics has made the realization of Automatic Message Accounting systems economical and attractive so that AMA systems now emerge as a clear choice in preference to bulk billing...