| 摘要 |
An inter-network call accounting system for use in a communication network such as the public switched telephone network (1) in Britain allows call records to be sorted according to the network operator to be charged in respect of the calls, prior to being priced and charged. A data analyser (7) incorporating an expert system is provided for call records which cannot be validated. The data analyser (7) can apply default or amended data, or can output invalid data to a suspended process awaiting updated reference information. Unfixable data is output to a sump for management purposes. A pricing and charging engine processes data already sorted according to billable entity and incorporates further data analysis means for dealing with data invalid by reason of pricing and charging related information.
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