ENGENHARIA DE SERVIÇOS SERVICES ENGINEERING

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1 Mestrado em Engenharia de Redes de Comunicações MSc in Communication Networks Engineering ENGENHARIA DE SERVIÇOS SERVICES ENGINEERING Sistemas de Suporte às Operações 3 - Operations Support Systems 3 1

2 Outline Charging Mediation 2

3 Charging Charging Functions allow handling the charging of services usage in real-time. Rating and Balance Management Segmentation, Promotions and Bonus in Real Time Real Time action and Spending Control Refills and End User communication 3

4 Evolution of Charging From simple file based Call Data Records to Online Session Events or Transactions. Online Offline File based (CDR s) Near real-time File based Mediation (postprocessing) Online Charging with Cost Control 4

5 Charging Records - File Based Text-based UDR (Usage Data Record) Binary-based CDR (Call Data Record) 5

6 Charging Records - Sessions Sessions are characterized by a START, STOP and INTERMEDIATE requests and responses. Charging System Start Start Session Intermediate Intermediate Stop Stop Network (front-end) 6

7 Charging Records - Transactions Online Transactions are characterized by a REQUEST and a RESPONSE. Charging System Request Response Network (front-end) 7

8 Mediation Mediation collects data from the Network Elements and Service Platforms, and formats and distributes it for Charging and Billing, Service Assurance, Fraud Detection and Statistics. Billing Charging system CDR Mediation Fraud detection Data mining OSS applications CDR 8

9 Mediation is the busiest system within the telecom/provider OSS/BSS environment. Mediation MEDIATION Charging information Millions of Records each Day Charging data Network performance Collection PROCESSING DISTRIBUTION Network information data 9

10 CDR (Binary format) Hex Dump of CDR file DAT.00 of a Voice Service Origination: (Calling Party) Termination: (Called Party) IMSI:

11 CDR (Binary format) Voice CDR after being Validated, Filtered, Correlated, and converted in a format suitable for Billing. 11

12 UDR (text Format) AAA log.00 Original UDR file from AAA system (Data Services) 12

13 UDR (text Format) Data CDR (UDR) after being Validated, Filtered, Correlated, and converted in a format suitable for Billing. 13

14 CDR (Text-based record, VoIP, SIP) For a VoIP call in IMS system CME20R13MSCber.CallDataRecord.uMTSGSMPLMNCallDataRecord scfchargingoutput callidentificationnumber : '630B4B'H exchangeidentity : "CCNFI4" switchidentity : '0001'H recordsequencenumber : '630B4B'H date : '140B0B19'H eventmodule inservicedataeventmodule chargepartysingle : 'apartytobecharged (0)' genericchargingdigits [0] : '3B0004'H [1] : '1D 'H [2] : '213303'H [3] : '222B010000'H [4] : '032B9955'H [5] : '242B2105'H [6] : '2600'H [7] : ' 'H [8] : '2A02'H [9] : '3500'H [10] : ' 'H [11] : '3C011000'H genericchargingnumbers [0] : ' 'H [1] : ' 'H [2] : ' 'H [3] : ' 'H [4] : ' 'H [5] : ' 'H [6] : ' B 'H [7] : ' 'H [8] : '1A00002B 'H [9] : '1B 'H servicefeaturecode : '0002'H timeforevent : '0F0C27'H 14

15 CDR (Text-based record, VoIP, SIP) CDR after being Validated, Filtered, Correlated, and converted in a format suitable for Billing. cdrrecordtype : 'gstncall (5)' cdrcallindication : 'successful (1)' cdrscscfeventtime : ' 'D cdrscscfcalldirection : 'originating (0)' cdrscscfcause cdrscscfcausecode : '0'D cdrscscfnodefunctionality : 'scscf (0)' cdrcscfchargingfunctionaddress : "gramm.ims.com" cdrscscfimschargingidentifier : "11b945d30ac671b0999c164526c83a" cdrscscfnodeidentifier : "grascscf01.ims.com" cdrscscfnoderealm : "ims.com" cdrscscfinteroperatoridentifierlist [0] originatingioi : "ims.com" terminatingioi : "ims.com" cdrscscfservicesessionidentifier : "grascscf01.ims.com; 4cf194d8;09a128; " cdrsessiondurationsip : '625'D cdrsessionendtimesip : " T234220" cdrsessionstarttimesip : " T " cdrsipcalledpartyaddress : "sip: @sip.operator.pt" cdrsipcallingpartyaddress : "sip: @sip.operator.pt" cdrsipinitialrequesttime : " T " 15

16 16

17 References and Readings Websites: Telemanagement Forum: Documents: Shailendra Jain, Mark Hayward, Sharad Kumar, Broadband Infrastructure: The Ultimate Guide to Building and Delivering OSS/BSS, CHAPTER 2: A Detailed Look at OSS, 2003, Kluwer Academic Publishers 17

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