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Information × Registration Number 0206U005909, 0105U000717 , R & D reports Title Telecommunication services billing system modernization and servicing popup.stage_title Head Fedorovich Oleg Evgenievich, Registration Date 03-07-2006 Organization National Aerospace University named by N.E.Zhukovsky "Kharkov aviation institute" popup.description2 System analysis of telecommunication services (TS) is carried out at report. TS modelling using AND/OR - graph is proposed. Functions of billing system, for which developed informational models (IM) of TS, are detailed. Informational models of TS (put by JSC "Ukrtelecom") are described.TS billing system architecture is proposed. Product Description popup.authors popup.nrat_date 2020-04-02 Close