1. Broadband and LLU Working Group 18 January 2005

2. Broadband and LLU Working Group Membership BT Industry representatives Terms of Reference To ensure a common understanding of the proposed 21CN portfolio To agree industry requirements for 21CN LLU and broadband services taking account of BT’s SMP obligations, Ofcom policy and technology capability. Scope LLU (and related services) and broadband services, taking account of relevant SMP obligations, 21CN capabilities and Ofcom policy.

3. ‘IP Conveyance Pack 2’ Core New Core portfolio of Conveyance Options to on- or off- net destinations Includes IP interconnect 3 rd Party (IP, ATM, Ethernet) ‘IP Conveyance Pack 1’ ‘IP Conveyance Pack 3’ Traffic Management And QoS Broadband - The 21C access and service vision SP Network Apps & Services Wholesale and/or white label Applications and services Including hosting OnNet Content/Apps Derived Voice Hosting / SANS Security etc Internet / WWW Access 3 rd Party LLU Base AccessBackhaul Multi-Service Ubiquitous Access Bitstream Copper, Fibre & Wireless

4. Broadband Roadmap – Existing products Key Events driving Consultation Timeline Confirm ongoing availability and roadmap of enhancements ATM Network Plans Method of Closure Industry Forum’s Dec JanFebMarApr Ma yJunJulAugSepOct Key Ofcom Milestone/Event Con. Doc. Concept BB and LLU product discussion Proposal 31 Jan Initial Roadmap Industry feedback on initial list Committed Proposal 31 Mar - Product roadmap Closure (& Method) Industry Approval

5. BT Wholesale Broadband & LLU Roadmap -an introduction… The following slides show BT Wholesale’s ‘road map’ of change events and activities. The time-line indicates how BT Wholesale’s Broadband and LLU products and technologies are planned to change to meet the needs of our customers. The slides are not intended to cover any price changes. This is BT Wholesale’s best view of plans to develop the Broadband and LLU area and may be subject to change at any time by BT. Customers should discuss these plans with their account managers before developing their business plans. Feedback from Customers is welcomed, either on specifics or general aspects of the Roadmap. This document will be updated on a quarterly basis or earlier depending on the needs of our Customers. BT Wholesale continues to work on other developments which are in early stages of evaluation/feasibility and are not shown on the roadmap. These will be added once we have a better view of delivery dates. Issue 3 Final 22/12/2004 Page 2 of 7

6. EXISTING 100% BB Reach Ach 2 IPS to DS bulk migration Ach1 BT IPStream Home 2000 Feb 10 Usage Based Charging Dec 8 Network Uplift Programme Feb-July 5 BT Wholesale Broadband & LLU Portfolio & Platform Development Roadmap A/SDSL BT IPStream 250Kb-2Mb A/SDSL BT DataStream 250Kb-2Mb Sep Launch / Target date Reference No 1 Key Evolution Path Committed / Achieved project Planned Roadmap event SDSL Rollout to 229 sites 4 Ach SDSL Rollout increased to 300 sites 7 Mar BT VideoStream VS/VS+ Withdrawal Feb 45 July-Sep 04 Jan-Mar 05 Oct-Dec 04 BT Central & BT Central + BT Central Extra Jan 40 BT Central + Interface Option Ach 27 BT IPstream BT Datastream Videostream BT Centrals IPS to IPS migrations (Strategic) Ach73 Reduced Lead time of SDSL end user accesses Jan76 Issue 3 Final 22/12/2004 Page 3 of 7

7. EXISTING July-Sep 04 BB Movers Day1 Ach30 Jan-Mar 05 Oct-Dec 04 BB Platform capability 20K/d Ach 36 BB Platform capability 30K/d Ach 37 BB Platform capability 60K/d Jan 38 Bulk Speed Regrade Feb 35 Various Fault Mgmt & Test access changes Dec 33 SDSL repair activities Ach 57 Sep Launch / Target date Reference No 1 Key Evolution Path Committed / Achieved project Planned Roadmap event BT Wholesale Broadband & LLU Portfolio & Platform Development Roadmap LLU Movers Mar31 LLU Industrialisation - 1 ongoing39 80 Enhanced Care BT Datastream VP automation Dec 16 Customer Reporting LLU Service & System capability Migrations to LLU tactical Ach14 80 Issue 3 Final 22/12/2004 Page 4 of 7

8. 2 Way QoS TBC48 Apr-Jun 05Jan-Mar 06 Jul-Sep 05 Oct-Dec 05 BT IPstream downstream QoS Oct 51 BT Centrals Session Steering TBC92 Sep Launch / Target date Reference No 1 Key Evolution Path Committed / Achieved project Planned Roadmap event BT Wholesale Broadband & LLU Portfolio & Platform Development Roadmap SDSL Rollout increased to1300 sites 9 Mar SDSL Rollout @ any DSL sites based on demand 12 From Mar End user speed control July 6 BT IPstream BT Datastream BT Centrals BT Centrals Domain Name Changes TBC 46 BT Central+ for Business TBC 47 High Bandwidth BB Oct - Dec 54 VP downgrades – removal of minimum term reset Apr-Jun 60 Removal of port reservations Q1 65 Introduction of multiple VP Credit Q1 67 Issue 3 Final 22/12/2004 Page 5 of 7

9. Apr-Jun 05Jan-Mar 06 Jul-Sep 05 Oct-Dec 05 BB TAM Rollout Aug 66 BB Movers D2 Q4 68 21 CN Release 5.1 BB Growth on 2 nd Gen DSLAM Apr 94 21 CN Release 5.3 BB access tails on strategic platform Oct 95 21 CN Release 5.4 - Growth of 2 nd Gen. DSLAMs Jan 96 BT Wholesale Broadband & LLU Portfolio & Platform Development Roadmap Sep Launch / Target date Reference No 1 Key Evolution Path Committed / Achieved project Planned Roadmap event LLU Service & System capability LLU Industrialisation -2 TBC 80 39 LLU Migration to Strategic. Solution (start) TBC 41 BB & LLU migrations strategic TBC49 IPS – DS Migration enhancements Apr 55 Concorde Nwk Health Reports Replacement July 50 Enhancing BBCR TBC43 Issue 3 Final 22/12/2004 Page 6 of 7

10. PROPOSAL FOR F UTURE LLU DISCUSSIONS LLU Issues raised at Consult21 events have been restatements of issues being managed with the Adjudicator and the LLU development programme New 21CN Requirements will be managed via the MSAN Interconnect theme No separate/additional Consult21 LLU programme proposed BT proposes to use LLU Industry Meeting as primary means of ongoing consultation

11. PROPOSAL FOR FUTURE BROADBAND DISCUSSIONS Use existing Forums plus one new Broadband Forum: Large ISP Workshop Next meeting 14 Feb 2005 Specialist ISP Workshop Next Meeting 18 Feb 2005 Proposed Broadband Infrastructure Forum. Proposed Meeting w/c 21 Feb