Best practice guidance

All-IP Draft trial best practice guide (PDF, 815.5 KB)
Last updated: 24 September 2020

BPG feedback form (XLSX, 11.8 KB)
Last updated: 11 February 2020

Migration journeys (XLSX, 17.4 KB)
Last updated: 20 February 2020

Industry Principles for All-IP Migration (PDF, 177.7 KB)
Last updated: 16 August 2021

Industry best practice guide – Consumer switching (PDF, 413.4 KB)
Last updated: 29 September 2021

Appendix G – NoT E2E Process Swimlanes (PDF, 116.7 KB)
Last updated: 29 September 2021

Best practice guide – WLTs migrations ELT avoidance (PDF, 398.6 KB)
Last updated: 29 September 2021

Best practice guide – Supplier of last resort – Industry process (PDF, 749.1 KB)
Last updated: 29 September 2021

Industry code of practice – Special service restoration (PDF, 209.5 KB)
Last updated: 29 September 2021

MPF ALID Help Line – Tactical process (PDF, 257.7 KB)
Last updated: 2 December 2021

Retailer IDs (RIDs) – Industry best practice guide (PDF, 193.6 KB)
Last updated: 29 September 2021

• Appendix A: COCO reports – Ofcom guidance (PDF, 353.8 KB)
  Last updated: 29 September 2021
• Appendix B: RID BPG-BAU and change scenarios (PDF, 107.4 KB)
  Last updated: 29 September 2021

Industry guide to Cancel Other (PDF, 146.5 KB)
Last updated: 29 September 2021

Industry guide to selling compliantly (PDF, 117.1 KB)
Last updated: 29 September 2021

Openreach Cancel Other expedite process – Flow chart (PDF, 126.3 KB)
Last updated: 29 September 2021

Openreach Cancel Other expedite process – Steps (PDF, 233.5 KB)
Last updated: 29 September 2021

BTW Cancel Other and Urgent Service Restoration processes – CP process (PDF, 543.0 KB)
Last updated: 29 September 2021

Introduction to Fixed Line Porting in the UK (PDF, 380.5 KB)
Last updated: 2 February 2021

Number Porting Quick Start Guide (PDF, 197.5 KB)
Last updated: 18 March 2022

Number Port Service Establishment (PDF, 338.0 KB)
Last updated: 2 February 2021

• App B1 – GNP Planning Request Form (DOC, 20.5 KB)
  Last updated: 2 March 2021
• App B2 – GNP Switch Types (DOC, 20.0 KB)
  Last updated: 2 March 2021
• App B3 – GNP SE & M Issues (DOC, 20.5 KB)
  Last updated: 2 March 2021
• App B4 – GNP Generic FTP Input (XLS, 24.5 KB)
  Last updated: 2 March 2021
• App B5 – GNP FTP Process (DOC, 48.5 KB)
  Last updated: 2 March 2021
• App B6 – GNP PoD Process (DOC, 27.5 KB)
  Last updated: 2 March 2021
• App B7 – GNP-HLSD (DOC, 174.5 KB)
  Last updated: 2 March 2021
• App B8 – GNP PDI (XLS, 71.0 KB)
  Last updated: 2 March 2021
• App B9 – GNP PNI (XLS, 38.0 KB)
  Last updated: 2 March 2021
• App B10 – GNP Guidance Notes for completing SE Certificate (DOC, 37.0 KB)
  Last updated: 2 March 2021
• App B11 – GNP SE Certificate (DOC, 34.0 KB)
  Last updated: 2 March 2021
• App A – NGNP Establishment Request Form (PE) (DOCX, 21.7 KB)
  Last updated: 2 March 2021
• App B – NGNP Contact Register Form (PC) (DOCX, 22.3 KB)
  Last updated: 2 March 2021
• App C – NGNP Planning Form (PP) (DOCX, 22.0 KB)
  Last updated: 2 March 2021
• App D – NGNP Order Forecast Form (PG) (DOCX, 22.1 KB)
  Last updated: 2 March 2021
• App E – NGNP Order Form (PO) (XLSX, 36.6 KB)
  Last updated: 2 March 2021
• App F – NGNP Order Form (DOCX, 23.8 KB)
  Last updated: 2 March 2021
• App G – NGNP – Bulk Port Order Form (PB) (XLSX, 40.6 KB)
  Last updated: 2 March 2021
• App H – NGNP – Porting Failure Form (PF) (DOCX, 23.1 KB)
  Last updated: 2 March 2021
• App J – NGNP – PAP Form (PA) (DOCX, 21.7 KB)
  Last updated: 2 March 2021
• App K – NGNP Certificate – Engineering Testing (DOCX, 34.9 KB)
  Last updated: 2 March 2021
• App L – NGNP Certificate – ORT (DOCX, 35.0 KB)
  Last updated: 2 March 2021
• App M – New CLoA (Customer Letter of Authorisation) (DOCX, 21.2 KB)
  Last updated: 2 March 2021
• App N – NGNP Industry Agreed SLAs (DOCX, 21.0 KB)
  Last updated: 2 March 2021
• App P – NGNP Service Establishment Test Schedule (DOCX, 76.5 KB)
  Last updated: 2 March 2021
• App R – NGNP SE ORT-Test Matrix (DOCX, 47.9 KB)
  Last updated: 2 March 2021

Number Port Provisioning – Core Processes (PDF, 766.7 KB)
Last updated: 2 February 2021

• App G1 – GNP Contacts Register (PDF, 81.3 KB)
  Last updated: 2 March 2021
• App G2 – GNP Number Port Order Template (NPOR) (XLS, 37.5 KB)
  Last updated: 7 September 2021
• App G3 – GNP S/L – Order Rejection Codes (PDF, 92.7 KB)
  Last updated: 2 March 2021
• App G4 – GNP Process Automation – EDI Spec (PDF, 440.2 KB).
  Last updated: 2 March 2021
• App G5 – GNP Sub-port CSV Template & Specification (PDF, 252.9 KB)
  Last updated: 2 March 2021
• App G6 – GNP M/L – Order Rejection Codes (PDF, 95.1 KB)
  Last updated: 2 March 2021
• App G7 – GNP Disputed Ownership of a Number – Best Practice Guide (PDF, 197.2 KB)
  Last updated: 2 March 2021
• App G8 – GNP Multiline Activations-Batch Requests Process (PDF, 187.5 KB)
  Last updated: 2 March 2021
• App G9 – GNP OOH Port Activations – Process description (PDF, 210.2 KB)
  Last updated: 2 March 2021
• App G9.1 – Tier 1 CP Contacts Register – OOH Process (XLSX, 14.7 KB)
  Last updated: 2 March 2021
• App G9.2 – GNP-CP Support times (XLSX, 15.9 KB)
  Last updated: 2 March 2021
• App G9.3 – GNP OOH-POR Process-Swim Lanes (PDF, 158.1 KB)
  Last updated: 2 March 2021
• App G9.4 – GNP NPOR (XLS, 38.5 KB)
  Last updated: 7 September 2021
• App G9.5 – OOH Pre-Order Request (XLSX, 27.5 KB)
  Last updated: 2 March 2021
• App NG1 – Non-Geographic Number – Rejection Codes (PDF, 102.2 KB)
  Last updated: 2 March 2021
• App NG2 – Non-Geographic Number Contact Register Form (PC) (PDF, 102.4 KB)
  Last updated: 2 March 2021
• App NG3 – Non-Geographic Number Portability Order Forecast Form (PG) (PDF, 65.1 KB)
  Last updated: 2 March 2021
• App NG4 – Non-Geographic Number Portability Order Form (PO) (XLSX, 38.0 KB)
  Last updated: 2 March 2021
• App NG5 – Notes on Non-Geographic Portability Order Form (PDF, 75.3 KB)
  Last updated: 2 March 2021
• App NG6 – Non-Geographic Number Portability – Bulk Port Order Form (PB) (XLSX, 40.4 KB)
  Last updated: 2 March 2021
• App NG7 – Non-Geographic Number Portability – PAP Form (PA) (PDF, 34.9 KB)
  Last updated: 2 March 2021

Ported Numbers-Cessations & Repatriation (PDF, 123.3 KB)
Last updated: 2 February 2021

Port Desk Support Windows (PDF, 172.0 KB)
Last updated: 2 February 2021

Number Port Emergency Restorations (PDF, 165.1 KB)
Last updated: 2 February 2021

• App NG1 – NGNP – Porting Failure Notification template (PF) (DOCX, 23.1 KB)
  Last updated: 2 March 2021

Service Integrity for Ported Numbers (PDF, 153.6 KB)
Last updated: 2 February 2021

• App R1 – BT reporting process – Service Loss faults (PDF, 266.2 KB)
  Last updated: 2 March 2021
• App R2 – OLO Fault Reporting Details (PDF, 159.0 KB)
  Last updated: 8 February 2022
• App R3 – BPG – Number Ownership – Dispute Resolution (PDF, 197.2 KB)
  Last updated: 2 March 2021

Directory Listing Porting Guide (PDF, 546.8 KB)
Last updated: 2 February 2021

Number Port Emergency services (PDF, 139.3 KB)
Last updated: 2 February 2021

• App R1 – Number Portability and 999 Data (PPTX, 819.6 KB)
  Last updated: 2 March 2021
• App R2 – 999 Data Feed Support Doc (DOCX, 186.9 KB)
  Last updated: 2 March 2021
• App R3 – Emergency File Format Interface Spec (DOCX, 408.4 KB)
  Last updated: 29 September 2021

WLR DDI Range – Block Splitting (PDF, 124.2 KB)
Last updated: 10 November 2020

• App R1 – WLR DDI Block Splitting History (PDF, 74.5 KB)
  Last updated: 10 November 2020

Porting for Business Customers (PDF, 408.4 KB)
Last updated: 12 January 2021

• App R1 – BAU and PoV Order Handling Process Schematics (PDF, 503.7 KB)
  Last updated: 5 November 2021
• App R2 – New CLoA Template (DOCX, 41.1 KB)
  Last updated: 12 January 2021
• App R3 – PON Email Templates (DOCX, 28.9 KB)
  Last updated: 12 January 2021
• App R4 – PoV Process Description (PDF, 174.3 KB)
  Last updated: 5 November 2021
• App R5 – PoV Process Templates (XLSX, 30.3 KB)
  Last updated: 25 June 2020
• App R6 – PoV Process Consolidated Contacts Register (PDF, 371.2 KB)
  Last updated: 11 May 2022

POR Process Description (PDF, 272.5 KB)
Last updated: 15 November 2019

• App R1 – POR Alert Email Template (PDF, 116.1 KB)
  Last updated: 15 November 2019
• App R2 – POR Details Template (PDF, 1.1 MB)
  Last updated: 15 November 2019
• App R3 – POR Approved-EAP Email Template (PDF, 87.4 KB)
  Last updated: 15 November 2019
• App R4 – POR Approved GCP Email Template (PDF, 86.2 KB)
  Last updated: 15 November 2019
• App R5 – Port Override Request – Process Swim Lanes (PDF, 176.2 KB)
  Last updated: 15 November 2019
• App R6 – Number portability letter to Chair NPESG (PDF, 582.3 KB)
  Last updated: 15 November 2019
• App R7 – POR Activation Contacts (PDF, 109.6 KB)
  Last updated: 15 November 2019
• App R8 – POR EAP Contacts (PDF, 99.7 KB)
  Last updated: 15 November 2019

GNP E2E Ops Process (PDF, 787.2 KB)
Last updated 19 July 2018

• Appendix A – Contacts register (PDF, 81.3 KB)
  Last updated 19 May 2014
• Appendix B – GNP_NPOR-issue_5-Feb_2013 (PDF, 188.2 KB)
  Last updated 19 May 2014
• Appendix C – GNP (PDF, 129.2 KB)
  Last updated 13 November 2017
• Appendix D – Process automation (PDF, 324.5 KB)
  Last updated 7 January 2019
• Appendix E – Sub-port activations - CSV template and spec (PDF, 252.9 KB)
  Last updated 24 March 2014
• Appendix F – User handbook for 999 data (PDF, 523.1 KB)
  Last updated 4 April 2018
• Appendix G – EFF999 issue 2 - April 2013 (PDF, 850.1 KB)
  Last updated 4 April 2018
• Appendix H – Code of practice for the public emergency call service (PDF, 55.4 KB)
  Last updated 4 April 2018
• Appendix J – PoV process description (PDF, 261.1 KB)
  Last updated 25 November 2016
  • Appendix J1 – GNP Multi-Line Order Process-Swim Lanes (PDF, 167.5 KB)
    Last updated 9 May 2016
  • Appendix J2 – PoV Process Templates (XLSX, 678.6 KB)
    Last updated 12 May 2017
  • Appendix J3 – Consolidated Contacts Register - PoV Process (PDF, 420.5 KB)
    Last updated 25 September 2020
  • Appendix J4 – PoV-Contact Registration Process (PDF, 214.7 KB)
    Last updated 25 November 2016
• Appendix K – BPG number ownership dispute resolution (PDF, 443.1 KB)
  Last updated 6 October 2014
• Appendix L – Multiline DoP activations batch requests process description (PDF, 209.0 KB)
  Last updated 6 October 2014
• Appendix M – Unacknowledged orders batch request process description (PDF, 192.5 KB)
  Last updated 6 October 2014
• Appendix N – OOH NP Support - Product Process Description (PDF, 95.1 KB)
  Last updated 14 July 2015
  • Appendix N1 – Tier 1 CP Contacts Register - OOH Process (XLSX, 13.2 KB)
    Last updated 8 July 2015
  • Appendix N2 – GNP-CP Support times (XLSX, 13.4 KB)
    Last updated 19 March 2015
  • Appendix N3 – GNP OOH-POR Process-Swim Lanes (PPTX, 608.3 KB)
    Last updated 8 July 2015
  • Appendix N4 – GNP NPOR (XLS, 45.0 KB)
    Last updated 3 March 2015
  • Appendix N5 – OOH Pre-Order Request (XLSX, 27.5 KB)
    Last updated 21 April 2015

• Appendix P – CP Fault Reporting arrangements for LoS Faults
  • Appendix P1 – BT reporting process - Service Loss faults (PDF, 266.2 KB)
    Last updated 2 July 2018
  • Appendix P2 – Service Loss-OLO Fault Reporting Arrangements (PDF, 165.8 KB)
    Last updated 26 June 2018

• Appendix Q – WLR-DDI Block Splitting Process (PDF, 195.2 KB)
  Last updated 21 March 2019

Original Section B documents (being updated) (ZIP, 198.3 KB)
Last updated 16 July 2019

10k Number Block Transfers (PDF, 209.3 KB)
Last updated 9 July 2019

NGNP E2E Ops Process (PDF, 867.4 KB)
Last updated 4 April 2018

• Appendix A – Non-geographic number portability establishment request form (PE) (DOCX, 21.7 KB)
  Last updated 4 April 2018
• Appendix B – Non-geographic number contact register form (PC) (DOCX, 22.3 KB)
  Last updated 4 April 2018
• Appendix C – Non-geographic number portability planning form (PP) (DOCX, 22.0 KB)
  Last updated 4 April 2018
• Appendix D – Non-geographic number portability order forecast form (PG) (DOCX, 22.1 KB)
  Last updated 4 April 2018
• Appendix E – Non-geographic number portability order form (PO) (XLSX, 36.6 KB)
  Last updated 4 April 2018
• Appendix F – Notes on non-geographic portability order form (DOCX, 23.8 KB)
  Last updated 4 April 2018
• Appendix G – Non geographic number portability – Bulk port order form (PB) (XLSX, 40.6 KB)
  Last updated 4 April 2018
• Appendix H – Non-geographic number portability – Porting failure form (PF) (DOCX, 23.1 KB)
  Last updated 4 April 2018
• Appendix J – Non-geographic number portability – PAP form (PA) (DOCX, 21.7 KB)
  Last updated 4 April 2018
• Appendix K – Non-geographic number portability certificate – Engineering testing (DOCX, 34.9 KB)
  Last updated 4 April 2018
• Appendix L – Non-geographic number portability certificate – Operational readiness testing (DOCX, 35.0 KB)
  Last updated 4 April 2018
• Appendix M – Customer letter of authorisation (DOCX, 21.2 KB)
  Last updated 4 April 2018
• Appendix N – NGNP industry agreed SLAs (DOCX, 21.0 KB)
  Last updated 4 April 2018
• Appendix P – NGNP service establishment test schedule (DOCX, 76.5 KB)
  Last updated 4 April 2018

OR / CP Pole & Wire Separations – General Agreement & Best Practice Guide (PDF, 259.0 KB)
Last updated: 23 August 2021

Best practice guide – WLR and MPF provision (PDF, 1.5 MB)
Last updated: 28 February 2013

Best practice guide – WLR3 repair 'in-effectives' (PDF, 555.1 KB)
Last updated: 6 May 2014

Best practice guide – Raise and manage a customer fault (PPTX, 1.6 MB)
Last updated: 30 September 2016

Best practice guide – Test accuracy charging scenarios (PPTX, 1.3 MB)
Last updated: 30 September 2016