Overview
QuEST Forum provides comprehensive materials, presentations, references and documents to assist beginners and advanced users of the TL 9000 quality management system.
Accreditation & Certification Bodies
Alerts
Audit-Related Documents
Best Practices Resources
Case Studies and Testimonials
FAQs for Beginners
FAQs for Experienced Users
FAQs - TL 9000 Explanations
Handbooks - Measurements
Handbooks - Requirements
Jump Start Mentor Program
Performance Data Reports
Product Category Tables
Registrars
Standard Outage Template System (SOTS)
Supplemental Measurements Library
TL 9000, Comparison with other standards
TL 9000, Implementation Tips
TL 9000, Registration Documents
TL 9000, Presentations
TL 9000, SIGs
Archives
Accreditation & Certification Bodies
- Form for registrars to request recognition by an accreditation body (PDF,141KB)
- Process for registrars to be recognized by AB's (PDF,24KB)
- Registrar Identification Form (PDF,46KB)
- Registrar Certification Process (PDF,12KB)
Active Alerts
English-Active Alerts
- 08-007A(PDF,37KB) Availability of new, reformulated TL 9000 logo for use on promotions for TL 9000 certifications
- 08-006A(PDF,24KB) Announces the decertification of TL 9000 organizations that have not upgraded to R4.0 by October 31, 2008.
- 08-005A(PDF,32KB) Announces the publication of a revised Code of Practice for TL 9000 Registrars
- 08-004A(PDF,31KB) Defines an error in table 6.2-4 of the Measurements handbook impact system outage reporting
- 08-003A(PDF,50KB) Potential FR data submission errors due to change in templates
- 08-002A(PDF,50KB) Requirements for Conducting an e-Audit as Part of the TL 9000 Registration Process
- 08-001A(PDF,33KB) Announcement of Product Category Table 4.1 for Data Submissions
- 07-006A(PDF,26KB) Status of using ASRP for TL 9000 certifications
- 07-005B(PDF,32KB) Release of TL 9000 Auditor Time document
- 07-005A – Replaced by 07-005B
- 07-004A(PDF,30KB) Interpretation of SPR Measurement
- 07-003A(PDF,37KB) Clarify auditor requirements
- 07-002A(PDF,26KB) Performance Data Reports Upgraded to Release 4.0
- 07-001A(PDF,20KB) Contract Manufacturer Product Category Changes
- 06-004B(PDF,30KB) Clarify rules for the implementation for the R4 releases of the TL 9000 Handbooks
- 06-003A(PDF,57KB) Late data submissions - registration suspension
- 06-002A(PDF,35KB) Audit statistics reporting by registrars
- 06-001A(PDF,30KB) Suspension of Release 3.5 software measurements
- 05-007B(PDF,19KB) Non-conformity classifications - version 2
- 05-006A (PDF,42KB) Reporting of systemic auditing problems to CB's and AB's
- 05-006A (DOC,70KB) Form to use in reporting an auditing problem
- 05-002A (PDF,13KB) New NYR check in MRS
- 03-005A (PDF,26KB) Registrar Responsibilities
Chinese - Active Alerts
- 08-001A (PDF,75KB) Announcement of Product Category Table 4.1 for Data Submissions
- 05-002A (PDF,98KB) New NYR check in MRS
Japanese - Active Alerts
- 08-004A (PDF,157KB) Defines an error in table 6.2-4 of the Measurements handbook impact system outage reporting
- 08-003A (PDF,143KB) Potential FR data submission errors due to change in templates
- 08-002A (PDF,103KB) Requirements for Conducting an e-Audit as Part of the TL 9000 Registration Process
- 08-001A (PDF,110KB) Announcement of Product Category Table 4.1 for Data Submissions
- 07-006A (PDF,122KB) Status of using ASRP for TL 9000 certifications
- 07-005B (PDF,162KB) Release of TL 9000 Auditor Time document
- 07-005A – Replaced by Alert 07-005B
- 07-004A (PDF,56KB) Interpretation of SPR Measurement
- 07-003A (PDF,56KB) Clarify auditor requirements
- 07-002A (PDF,80KB) Performance Data Reports Upgraded to Release 4.0
- 07-001A (PDF,201KB) Contract Manufacturer Product Category Changes
- 06-004B (PDF,99KB) Clarify rules for the implementation for the R4 releases of the TL 9000 Handbook
- 06-003A (PDF,162KB) Late data submissions - registration suspension
- 06-001A (PDF,106KB) Suspension of Release 3.5 software measurements
- 05-007B (PDF,56KB) Non-conformity classifications - version 2
Korean - Active Alerts
- 08-007A (PDF,325KB) Availability of new, reformulated TL 9000 logo for use on promotions for TL 9000 certifications
- 08-006A(PDF,326KB) Announces the decertification of TL 9000 organizations that have not upgraded to R4.0 by October 31, 2008.
- 08-005A(PDF,453KB) Announces the publication of a revised Code of Practice for TL 9000 Registrars
- 08-004A (PDF,75KB) Defines an error in table 6.2-4 of the Measurements handbook impact system outage reporting
- 08-003A (PDF,78KB) Potential FR data submission errors due to change in templates
- 08-002A (PDF,62KB) Requirements for Conducting an e-Audit as Part of the TL 9000 Registration Process
- 08-001A (PDF,141KB) Announcement of Product Category Table 4.1 for Data Submissions
- 07-006A (PDF,66KB) Status of using ASRP for TL 9000 certifications
- 07-005B (PDF,184KB) Release of TL 9000 Auditor Time document
- 07-005A – Replaced by Alert 07-005B
- 07-004A (PDF,81KB) Interpretation of SPR Measurement
- 07-003A (PDF,96KB) Clarify auditor requirements
- 07-002A (PDF,71KB) Performance Data Reports Upgraded to Release 4.0
- 07-001A (PDF,201KB) Contract Manufacturer Product Category Changes
- 06-004B (PDF,89KB) Clarify rules for the implementation for the R4 releases of the TL 9000 Handbook
- 06-004A (PDF,85KB) Implementing Release 4.0 - replaced by 06-004B
- 06-003A (PDF,207KB) Late data submissions - registration suspension
- 06-002A (PDF,111KB) Audit statistics reporting by registrars
- 05-007A (PDF,248KB) Non-conformity classifications - version 1
- 05-006A (PDF,179KB) Reporting of systemic auditing problems to CB's and AB's
Portuguese - Active Alerts
- 05-002A (PDF,13KB) New NYR check in MRS
Spanish - Active Alerts
- 08-001A (PDF,37KB) Announcement of Product Category Table 4.1 for Data Submissions
- 07-003A (PDF,37KB) Clarify auditor requirements
- 07-001A (PDF,34KB) Contract Manufacturer Product Category Changes
- 05-007A (PDF,25KB) Non-conformity classifications - version 1
- 05-004A (PDF,71KB) Treatment of Firmware in reporting software measurements
- TL 9000 Auditor Time (formerly Audit Days Table) (PDF,34KB)
- Audit Days Table (valid only until 01 Jan 2008) (PDF,85KB)
- Audit Days Table Announcement 2006 - (PDF, 67KB)
- TL 9000 Requirements for Conducting an e-Audit (PDF,13KB)
- Testimonial - Canoga Perkins (PDF,18KB)
- Testimonial - Increditek (PDF,354KB)
- Case Study - Nortel (PDF,38KB)
- Case Study - SBC (PDF,113KB)
- Case Study - Verizon (PDF,478KB)
- Changes from Release 3.0 to Release 3.5 (PDF,53KB)
- Release 4.0 Measurement Name Changes (xls,23KB)
- Measurements Handbook Release 3.5 Errata (PDF,57KB)
- Measurements Handbook Release 4.0 Errata (PDF,21KB)
- R4 Measurements Update (PDF,1412KB)
- Measurements Handbook Examples
- Section 5.1 - NPR (PDF,31KB)
- Section 5.2 - FRT (PDF,32KB)
- Section 5.3 - OFR (PDF,24KB)
- Section 5.4 - OTD (PDF,49KB)
- Section 6.1 - SO (PDF,32KB)
- Section 6.2 - SONE (PDF,33KB)
- Section 6.3 - EIO (PDF,23KB)
- Section 7.1 - FR (PDF,101KB)
- Section 8.1 - SFQ (PDF,21KB)
- Section 8.2 - SPR (PDF,19KB)
- Section 9.1 - SQ (PDF,40KB)
- Measurements, Supplemental Information
- Defect Removal Efficiency (doc,345KB)
- Invoice Accuracy-Line items (doc,209KB)
- Milestone Delay (doc,78KB)
- Peer Review Defect Tracking (doc,114KB)
- Phase Transition Monitoring (doc,127KB)
- Requirements and Design Stability (doc,74KB)
- Requirements Traceability (doc,78KB)
- Test Execution (doc,89KB)
- Changes from Release 3.0 to 4.0 in English (PDF,208KB)
- Changes from Release 3.0 to 4.0 in Spanish (PDF,170KB)
- Changes from Release 3.0 to 4.0 in Portuguese (PDF,190KB)
- R4 Requirements Update (PDF,191KB)
- Requirements Handbook Appendices
- Appendix A (PDF,23KB)
- Appendix B (PDF,16KB)
- Appendix C (PDF,12KB)
- Appendix D (PDF,18KB)
- Appendix E (PDF,42KB)
- Appendix F (PDF,23KB)
- Appendix G (PDF,22KB)
- Requirements Handbooks - Guidance Documents
- Alternative Method for Maintaining a TL 9000 Certification/Registration (PDF,42KB)
- Code of Practice for TL 9000 Registrars (PDF,16KB)
- Guidance for Communication with Customers (PDF,23KB)
- Migration Path, Audit Days, and Requirements Origin (PDF,18KB)
- Qualification and Experience Requirements for TL 9000 Registrar Auditors (PDF,22KB)
- Registration Guidance (PDF,12KB)
- Requirement Origin Release 2.5 (PDF,23KB)
- Set Up and Operation of a Design Process Measurement System (PDF,44KB)
- TL 9000 Accreditation Body Implementation Requirements (PDF,23KB)
- TL 9000 Requirements for Conducting an e-Audit (PDF,13KB)
- Performance Data Report Brochure (PDF, 226KB)
- Performance Data Reports calculations - English (PDF,88KB)
- Performance Data Reports calculations - Japanese (PDF,209KB)
- Product Category Tables Release 4.1 (PDF,268KB)
- Product Category Tables Release 4.0 (PDF,567KB)
- Product Category Tables Release 3.8 (PDF,564KB)
- Product Category Tables Release 3.7 (PDF,544KB)
- Product Category Tables Release 3.6 (PDF,349KB)
- Product Category Tables Release 3.5 (PDF,226KB)
- Product Category Tables Release 3.2 (PDF,306KB)
- Product Category Tables Release 3.1 (PDF,977KB)
- Product Category Tables Release 3.0 (PDF,304KB)
- Product Category Tables Release 2.5 (PDF,925KB)
- Changes from Release 4.0 to Release 4.1 (PDF,24KB)
- Changes from Release 3.8 to Release 4.0 (PDF,26KB)
- Changes from Release 3.7 to Release 3.8 (PDF,26KB)
- Changes from Release 3.6 to Release 3.7 (PDF,26KB)
- Revised Code of Practice for TL 9000 Registrars - can be used now (PDF,60KB)
- Current Code of Practice for TL 9000 Registrars - obsolete January 1, 2009 (PDF,16KB)
- Guidelines for Registrars on the RMS - Registrar TL 9000 Portal Usage(PDF,1402KB)
- Registrar Qualification Requirements (PDF,26KB)
- Registrar - Auditor Assessment Responsibility(TL18-03) (PDF,15KB)
- Registrar - Statistics Input Form 2006 (xls,50KB)
- TL18-03 - Registrar Auditor Assessment Responsibility (PDF,15KB)
- TL 9000 Requirements for Conducting an e-Audit (PDF,13KB)
Standard Outage Template System (SOTS)
- Overview on SOTS)
- Implementing SOTS: A Best Practice for Service Providers (PDF,871KB)
- SOTS Template (xls,42KB)
Supplemental Measurements Library
TL 9000, Comparison with other standards
- TL 9000 and CMMI (PDF,131KB)
- TL 9000 and ISO/TS 16949 (PDF,148KB)
- Benchmarks - Nortel (PDF,10KB)
- Centralized versus decentralized data collection - Nortel (PDF,11KB)
- Contractual and RFP Issues - Lucent (PDF,50KB)
- Cost Benefit Analysis - BIZPHYX (PDF,11KB)
- Cost Benefit Analysis - Lucent (PDF,15KB)
- Documentation and Record Keeping - Lucent Poland (PDF,11KB)
- Goal Setting - Lucent (PDF,17KB)
- Goal Setting - Nortel (PDF,11KB)
- Implementing Measurements - Nortel (PDF,12KB)
- Integrating New Units - Alcatel (PDF,16KB)
- Integrating New Units - Lucent (PDF,18KB)
- Integrating New Units - Nortel (PDF,16KB)
- Integrating New Units - Siemens (PDF,18KB)
- Internal Audits - Juniper (PDF,20KB)
- Internal Audits - Siemens (PDF,17KB)
- Leadership Roles - Juniper (PDF,13KB)
- Leadership Roles - Lucent (PDF,20KB)
- Leadership Roles - Lucent Poland (PDF,17KB)
- Leadership Roles - Siemens (PDF,11KB)
- Measurements to Drive Improvement - Nortel (PDF,10KB)
- Measurements Reporting - Nortel (PDF,10KB)
- Measurements Reporting to Customers - Nortel (PDF,10KB)
- Measurements Reporting - Alcatel (PDF,17KB)
- Measurements - Lucent Poland (PDF,10KB)
- Measurements - Lucent US (PDF,21KB)
- Measurements - Tekelec (PDF,16KB)
- Measurements - UTD (PDF,14KB)
- Management Review - Siemens (PDF,16KB)
- Publishing TL 9000 data internally - Nortel (PDF,10KB)
- QMS - Corning (PDF,19KB)
- QMS - Lucent Poland (PDF,19KB)
- QMS - Nortel Richardson (PDF,33KB)
- QMS - Registrar perspective (PDF,18KB)
- Quality Manual - Lucent Poland (PDF,11KB)
- Quality Manual - Nortel (PDF,20KB)
- Record Keeping - AFC (PDF,24KB)
- Record Keeping - Lucent (PDF,18KB)
- Registrars (PDF,20KB)
- Registration Landscape - Alcatel US (PDF,21KB)
- Registration Landscape - Lucent (PDF,19KB)
- Registration Landscape - Lucent (PDF,51KB)
- Registration Landscape - Lucent Poland (PDF,35KB)
- Registration Landscape - Nortel (PDF,270KB)
- SME Support - Lucent (PDF,12KB)
- SME Support - Nortel (PDF,11KB)
- Training - Lucent (PDF,17KB)
- Training - Lucent Poland (PDF,14KB)
- Training - Siemens (PDF,10KB)
- Mentoring a Small Business with Success, Jules Fijux - Superior Essex (PDF,574KB)
- The 12 Steps of Transition to Release 4.0 (PDF,456KB)
- R4 Measurements Update (PDF,1412KB)
- R4 Requirements Update (PDF,191KB)
- Registrar TL 9000 Portal Usage (PDF,1402KB)
- TL 9000 Registration Creation and Data Submission (PDF,3010KB)
TL 9000, Registration Documents
- TL 9000 Brochure (PDF,118KB)
- TL 9000 Business Drivers (PDF,61KB)
- NACE Codes (SIC code equivalents) Release 4.0 (PDF,54KB)
- NACE Codes (SIC code equivalents) Release 3.8 and earlier (PDF,23KB)
- Current TL 9000 Auditor Time (formerly Audit Days Table) (PDF,34KB)
- Establishing Product Categories (PDF,62KB)
- Estimating the Number of Equivalent Network Elements (PDF,11KB)
- TL 9000 Requirements for Conducting an e-Audit (PDF,13KB)
English-Obsolete Alerts
- 06-004A (PDF,29KB) Implementing Release 4.0 - Replaced by 06-004B
- 05-007A (PDF,19KB) Non-conformity classifications - Replaced by 05-007B
- 05-005A (PDF,15KB) General Availability Definition
- 05-004A (PDF,9KB) Treatment of Firmware in reporting software measurements
- 05-003A (PDF,9KB) Clarification of Product Categories in section 8
- 05-001A (PDF,25KB) Estimate of FRs for mature products
- 04-006A (PDF,28KB) Auditing TL 9000 Measurements Class
- 04-005A (PDF,28KB) Clarification of Services in Product Category Table
- 04-004A (PDF,28KB) OTD Counting Rule Clarification
- 04-003A (PDF,28KB) Organization vs Supplier
- 04-002A (PDF,28KB) OTD Error in Measurements Handbook R3.5
- 04-001A (PDF,28KB) NPR Exclusion Rule Clarification
- 03-006A (PDF,32KB) Severity Classifications
- 03-004A (PDF,31KB) Handling of Deferral Intervals in OFR
- 03-003A (PDF,52KB) Correct omission in Table A-2 Measurement Applicability Table (Normalized Units)
- 03-002A (PDF,31KB) Contract Manufacturing in PCT
- 03-001A (PDF,32KB) NPR Exclusion Rule
Chinese - Obsolete Alerts
- 05-004A (PDF,71KB) Treatment of Firmware in reporting software measurements
- 05-003A (PDF,77KB) Clarification of Product Categories in section 8
- 05-001A (PDF,136KB) Estimate of FRs for mature products
- 04-005B (PDF,129KB) Clarification of Services in Product Category Table
Japanese - Obsolete Alerts
- 05-001A (PDF,115KB) Estimate of FRs for mature products
Korean - Obsolete Alerts
- 05-004A (PDF,86KB) Treatment of Firmware in reporting software measurements
- 05-001A (PDF,154KB) Estimate of FRs for mature products
- 04-005B (PDF,104KB) Clarification of Services in Product Category Table
Portuguese - Obsolete Alerts
- 05-004A (PDF,67KB) Treatment of Firmware in reporting software measurements
- 05-003A (PDF,73KB) Clarification of Product Categories in section 8
- 05-002A (PDF,76KB) New NYR check in MRS
- 04-005B (PDF,21KB) Clarification of Services in Product Category Table
Spanish - Obsolete Alerts
- 05-001A (PDF,83KB) Estimate of FRs for mature products
Audit Related Documents - Obsolete
- Audit Days Table 2001 (PDF,83KB)
Training Related Documents - Obsolete
- Training Course Translation Schedule - 2004 (PDF,52KB)
