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NGN Migration Story

NGN Migration Story. François-Xavier DEROME. ITU workshop - April 2001. A Smooth Evolution to NGN for a long distance Operator. SS7 & PSTN. AN. AN. NB Control. NB Control. PABX. PABX. TDM. TDM. ISP. IP Network. PRA or SS7. pure TDM Transit /Long Distance Services.

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NGN Migration Story

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  1. NGN Migration Story François-Xavier DEROME ITU workshop - April 2001

  2. A Smooth Evolution to NGN for a long distance Operator

  3. SS7 & PSTN AN AN NB Control NB Control PABX PABX TDM TDM ISP IP Network PRA or SS7 pure TDM Transit /Long Distance Services Internet Access gateways VoIP trunking & PC to phone Corporate Users BRA PRA E1 E1 E1 Indirect Users Local Loop Operator

  4. SS7 & PSTN BICC CS1 AN AN PABX PABX VoATM TGW VoATM TGW ATM ATM STM-1 STM-1 ATM Backbone TDM/VoATM Transit /Long Distance Integrated VoATM trunking AAL2/BICC CS1 Corporate Users BRA PRA NB Control NB Control VC.12 E1 E1 Indirect Users Local Loop Operator

  5. SS7 & PSTN AN AN PABX PABX VoATM TGW VoATM TGW VoATM TGW VoATM TGW VoATM TGW VoATM TGW ATM ATM ATM Backbone Distributed Voice/Data long Distance Services Enhanced as an MGC-Switch Add-on remote VoATM Gateways Corporate Users BRA PRA BICC CS1 NB Control NB Control VC.12 H.248 H.248 Indirect Users Local Loop Operator

  6. SS7 & PSTN Local Loop Operator AN PABX PABX ATM ATM VoIP TGW VoIP TGW IP Network Convergent TDM/VoIP long Distance Services Enhanced as an MGC-Switch Add-on high density VoIP Trunking Gateways Corporate Users BRA PRA BICC CS2 NB Control NB Control VC.12 E1 E1 H.248 H.248 Indirect Users Local Loop Operator

  7. SS7 & PSTN Local Loop Operator AN PABX PABX ATM ATM VoIP TGW VoIP TGW VoIP TGW VoIP TGW VoIP TGW VoIP TGW IP Network distributed TDM/VoIP long Distance Services MGC-Switch & TGWs Corporate Users BRA PRA BICC CS2 NB Control NB Control VC.12 H.248 H.248 Indirect Users Local Loop Operator

  8. SS7 & PSTN Local Loop Operator AN PABX PABX ATM VoIP TGW VoIP TGW VoIP TGW VoIP TGW VoIP TGW IP Network mixed TDM/VoIP long Distance Services NGN Implementation pureSoftSwitch Corporate Users BRA PRA BICC CS2 NB Control NB Control H.248 H.248 Indirect Users Local Loop Operator

  9. A Smooth Evolution to NGN for a Local Loop Established Operator

  10. SS7 & PSTN AN AN PABX PABX ISP IP Network PRA or SS7 TDM Network & dial-up Internet Accesses Internet Access trough gateways Data Data H.323 VoIP trunking & PC to phone POTS ISDN POTS ISDN NB Control NB Control TDM TDM

  11. SS7 & PSTN ATM Edge DSLAM AN MM AN PABX PABX ATM BAS ATM switch ATM Backbone Switch Router TDM/ATM Switch and “multimedia” Access Node Add-on ATM Service grooming n x 2Mbps IMA ADSL, LL, FR & LMDS POTS ISDN POTS ISDN NB Control NB Control TDM ADSL Data Data High density or data only Large corporate

  12. SS7 & PSTN AN AN MM PABX PABX VoATM TGW VoATM TGW ATM ATM ATM switch ATM Backbone Voice over ATM Trunking “TEX by-pass” or flat VoATM transitAAL2/BICC CS1 POTS ISDN POTS ISDN BICC CS1 NB Control NB Control ADSL STM-1 Data

  13. NB Control Transit CS AN MM AN MM PABX PABX VoIP TGW VoIP TGW IP Network Call Server based VoP Trunking POTS ISDN POTS ISDN ISUP ISUP ISUP NB Control NB Control H.248 ATM TDM

  14. SS7 & PSTN AN AN MM PABX PABX ATM ATM VoIP TGW VoIP TGW Label switch IP Network Voice over IP Trunking “TEX by-pass” or flat VoIP transit POTS ISDN POTS ISDN BICC CS2 NB Control NB Control ADSL H.248 Data Native IP or IP over ATM Network

  15. SS7 & PSTN AN AN MM AN MM AN MM PABX PABX NB Control VoIP TGW VoIP C-AGW VoIP C-AGW VoIP TGW ATM IP Network fullNGN Access & Trunking POTS ISDN POTS ISDN NB Control TDM H.248

  16. SS7 & PSTN Call Control AN AN MM AN MM Edge S/R AN MM PABX NB Control VoIP C-AGW VoIP TGW VoIP C-AGW VoIP C-AGW VoIP TGW ATM IP Network fullconverged TDM/NGN Support of Next Generation ANs MGC-Switches or pure SoftSwitches BICC CS2 POTS ISDN POTS ISDN NG AGW H.248 H.248 POTS ISDN

  17. Architects of an Internet World

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