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    Essential elements of telephone call charging systems

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    Date
    1998
    Author
    Daka, J.S.J.
    Publisher
    University of Botswana
    Type
    Published Article
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    Abstract
    There are many instances where a telephone call charge needs to be avaialable immediately after a call is made. Usually, for a fee a telecommunication provider can provide call charge for a particular call. Call charging systems provide this information automatically without recourse to a telecommunications service provider. The application of call charging systems include private automatic branch exchange line cards, home telephone bill monitoring, monitoring telephones in a telephone cafe booth or payphones. This paper examines the design of hardware and software of the sub-systems for a subscriber based call charging system.
    URI
    http://hdl.handle.net/10311/616
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    • Research articles (Dept of Electrical Engineering) [18]

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