Le recrutement des équipes Supply Chain - par Caroline Mondon - iCompetences SCM2013
CDR Generation Risks - By Salem Al Bussi - During iCompetences FRR2013
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Transcript of CDR Generation Risks - By Salem Al Bussi - During iCompetences FRR2013
7/28/2019 CDR Generation Risks - By Salem Al Bussi - During iCompetences FRR2013
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Internal Audit
Network Audit
CDR GenerationRisks
June, 2013
7/28/2019 CDR Generation Risks - By Salem Al Bussi - During iCompetences FRR2013
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Overview
CDRs Generation
CDR File Generation
Call/Event Duration
Call Time Limit
Change Management
Date & Time Sync.
B Number Table
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CDR Generation Risks
CDRs Genera&on• Different
Event
• Checking Exchangeparameters
• Test events• CDR format
Ø Required fieldsØ Unrequired fields
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CDR Generation Risks
CDR File Generation• Parameters for genera&ng
CDR les (size &me)• Exchange storage capacity• All les generated
transmi ed on &me
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7/28/2019 CDR Generation Risks - By Salem Al Bussi - During iCompetences FRR2013
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CDR Generation Risks
Call/Event Duration• For Postpaid/Prepaid• Calcula&ng frac&on of
secondØ 3 s 200 ms → 3 sØ 3 s ≥ 100 ms → 4 sØ 3 s ≥ 10 ms → 4 s
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CDR Generation Risks
Call/Event Duration• Check round congura&on• For operators charge by
second• Exchange &me sensing (10
ms, 100 ms or more)
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CDR Generation Risks
Change Management• Be sure that the change not
affect CDRs genera&onspecially during Systemreplacement / upgrade
• Be sure full test done beforeapplied to all switches
• Be sure user privileges notchanged
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CDR Generation Risks
B Number Table• Wrong call rou&ng• Some country codes were
not congured in one ormore switches
• CDRs not generated forcertain call scenarios orshort codes not dened
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Thank You
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