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BT Wholesale TDM Circuit Strategy “ Evolution rather than revolution”

BT Wholesale TDM Circuit Strategy “ Evolution rather than revolution”. Consult 21 – Industry Webcall 29 th January 2009. AGENDA . Welcome and Introductions Products Positioning Confirmation of the TDM strategy Sub 2M/bits TDM circuits approach and feasibility

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BT Wholesale TDM Circuit Strategy “ Evolution rather than revolution”

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  1. BT Wholesale TDM Circuit Strategy “Evolution rather than revolution” Consult 21 – Industry Webcall 29th January 2009

  2. AGENDA • Welcome and Introductions • Products Positioning • Confirmation of the TDM strategy • Sub 2M/bits TDM circuits approach and feasibility • Feasibility results for 2M/bits and above TDM circuits • Infrastructure Change out • Next steps, timings and plans • Summary • Q&A session

  3. Positioning of TDM products BT TDM Products BT Wholesale TDM Products Non-BT CPs BT Global Services TDM & Analogue Products End user customers

  4. Confirmation of the 2Mbit/s & above TDM strategy • HOW > • Two distinct bandwidth areas – • Sub 2Mbit/s • 2Mbit/s & aboveBased on consultation with Industry • Use of formal feasibility study to assess • Shared with industry • WHAT > • Deliver the same product functionality as 20C • Continue to offer Customer Experience as is currently provided on 20C • Ensure changes are in collaboration with Customers with minimal service impact • Intention is to retain existing systems for ordering, billing, faults etc • Upgrade obsolete 20C infrastructure with 21CN Native TDM components • Minimize disruption as a result of infrastructure upgrades • Native TDM Services

  5. Feasibility & approach for sub 2M/bits TDM circuits Feasibility has started Interim Update March 2009 Expected completion June 2009 Covers Analogue & Digital Services, based on the requirements fed in from all interested industry bodies Specific focus to maintain comparable E2E performance as existing services

  6. Feasibility results for 2M/bits & above TDM circuits A phased approach allowing withdrawal of legacy infrastructure & systems with minimum customer disruption and over time replacing obsolete components with 21CN Native TDMcompliant componentsand systems supporting existing products Continue with the majority of our 20C PPC portfolio Continue to use native SDH technology (no emulation). Retain existing Access and NTE Infrastructure upgrade activity will take place as business as usual The PPC product will retain its existing framework - i.e. a Point of Handover (POH), a 3rd Party end and a Circuit between these two points PPC services (including PPC V1 and PPC V2) will continue to be delivered as per the current product definition.

  7. TECHNOLOGY CHANGEOUT STRATEGY Existing transmission & TDM services • 21CN transmission is same technology as 20CN SDH & WDM – just more up to date equipment • 21CN transmission is a bearer for 21CN NGN • 20CN transmission is separate – not currently connected to 21CN • All TDM is currently routed over 20CN 21CN NGN 21CN Transmission PoH Legacy Transmission 3rd Party

  8. TECHNOLOGY CHANGEOUT STRATEGY Upgrade of obsolete 20CN to 21CN infrastructure • Need to begin to move customer sites onto 21CN to close 20CN infrastructure as it becomes obsolete • Customers with multiple sites will have some delivered on 20CN infrastructure and some on 21CN infrastructure during the changeover • This will result in mixed 20CN & 21CN infrastructure • UPGRADE WILL BE PLANNED TO MINIMIZE DISRUPTION 21CN NGN 21CN Transmission 3rd Party 3rd Party PoH Legacy Transmission 3rd Party

  9. Next steps, timings and plans

  10. TDM STRATEGY – SUMMARY Evolution not Revolution • Industry consultation and customer feedback has shaped the decision process • Two separate areas involved - Below 2Mbit/s and above 2Mbit/s • Sub 2Mbit/s Feasibility continues • 2Mbit/s + PPCs remain on the BTW portfolio until well into the next decade • Native SDH Technology • Existing PPC functionality will be supported • Existing NTE will continue to be used and replaced only when obsolete • 21CN components in solution design for 2009 deployment • Transformation will be & infrastructure upgrades will be phased • Engagement remains pro-active through Consult 21 and ongoing

  11. GLOSARY OF KEY TERMS Native TDM Non emulated transmission providing contention free point to point bandwidth Legacy Pre 21CN equipment maintained in the network Bearer A higher bandwidth circuit that can carry a lower bandwidth circuit

  12. Q&A session

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