2. Concepts IT Project Circle 19-01-2011 Interconnect Billing and Accounting System (IOBAS) Knowledge Transfer Session

3. Introduction to Interconnect Billing PSTN Network

4. Introduction to Interconnect Billing OLO - Other Licence Operator BSNL - Bharat Sanchar Nigam Limited

5. Introduction to Interconnect Billing CDOT,AXE-10, 5ESS,OCB,EWSD, ZTE IPTAX

6. OLO to BSNL Links OLO - Other Licence Operator BSNL - Bharat Sanchar Nigam Limited

7. Charging Boundaries Country is divided into Circles(States) Circles are divided into LDCAs LDCAs are divided into SDCAs Level-I TAXs are situated at the Circle HQ Level-II TAXs are situated at LDCC(SSA HQ) SDCC Tandem are situated at SDCCs

8. Point of InterConnection BSNL OLO What is a Connection ? Point of Inter Connection(POI) A connection is given in the multiples of Ports. One Port is nothing but a E1 link( or a 2 Mb Stream)

9. Trunk Group BSNL OLO What is a Trunk Group ? Trunk Group / INDT is an identifier or a name given to the Group of Circuits. All the circuits in that TGP will have the same properties.

10. Call Scenarios Level –II TAX Level – I TAX SDCC Tandem Circle - A Local Calls BSO to BSO With in SDCA BSO to CMTS with in Circle (CMTS-CMTS)With in Circle Intra Circle Calls BSO to BSO with in Circle Inter Circle Calls (One Circle to the other) BSO to BSO BSO to CMTS CMTS to CMTS CMTS to BSO ISD Calls BSO/CMTS to Abroad Circle - B Circle - C

11. Billing Platforms MCU Billing(Metered Call units) Content Based Billing Volume based Billing CDR Based Billing MCU Based Duration Based Conversion Based Duration Based

12. F M F, LM Types of Services BSO(Basic Service Operator) CMSP(Cellular Mobile Service Provider) NLDO(National Long Distance Provider) ILDO(International Long distance Provider) UASL UASL: Universal Access Services License

13. Connectivity- SDCC Tandem Connectivity at SDCC Tandem SDCC Tandem BSO Intra Circle Traffic NLDO Inter Circle Traffic SDCA CMTS CMTS connectivity at SDCC tandem is no longer available in view of implementation of MNP

14. Connectivity-Level-II TAX Connectivity at Level-II TAX Level – II TAX BSO LDCA Traffic CMTS Intra Circle and Roaming Traffic LDCA Upto ISD

15. Connectivity – Level-I TAX Connectivity at Level-I TAX Level – I TAX CMTS Local and Roaming Traffic ILDO LDCA Upto ISD Circle BSO LDCA Traffic Direct connectivity between CMTS and cellone GMSC established in 2006. However, overflow is routed through Lev – I Taxes

16. MCU/CDR Billing three calls and 7.58 sec for the last call) ClngCldCldateCltimeIctgpOgtgpDurationUnitsIUC slab 203012312220221231221-2-200411:00BWRIL 102601 203023878120252387811-2-200411:01BWRIL 36201 203923132420292313241-2-200411:05BWRIL 12101 203055622120555562211-2-200411:06BWRILTATA41602 PPer call basis bill or MCU based bill bSl noDescription UnitsPulse per MCU Amount 1.Slab01 9 0.10 0-90 Slab02 6 0.10 0-60 Duration based Bill Sl noDescription Duration Rate/Minute Amount 1.slab01 150 0.30 0.75 2. slab02 41 0.79 0.54 3……………………… MCU Based Billing is possible in the Switches but not the Duration based bill

17. IUC Regime IUC regime commenced from 1-5-2003 IUC 2 - from 1-4-2004 IUC 3 - from 1-5-2005 Prior to IUC - There was one way Billing – OLOs were Paying to BSNL

18. IUC Regime IUC 4 from 1-3-2006 IUC 5 from 1-4-2007 IUC 6 from 1-4-2008 IUC 7 from 1-4-2009

19. Components of IUC Originating Charges Carrier Charges ADC(Access Deficit Charges) Transit Charges Termination Charges

20. THANK YOU …