an electronic retrieval system, without the prior written permission of the American National Standards Institute, Inc., 11 West 42nd Street, New York, NY 10036,
TL 9000 is a registered trademark of the Quality for Excellence for Suppliers of Telecommunications Forum.
Sections of this document contain copyrighted material from a variety of sources, these sources are identified in the Bibliography of this Handbook.
The TL 9000 Quality System Requirements and TL 9000 Quality System Metrics Handbooks were produced by having the best people from service providers and suppliers working together toward a common goal. The handbooks include an agreed-upon set of quality system requirements and metrics that were drawn from the best features of similar management system standards and the most effective quality practices currently being used in the telecommunications industry.
Quality Excellence for Suppliers of Telecommunications Leadership Forum
TL 9000 Quality System Requirements
Book One
Release 2.5
TL 9000 Copyright
Copyright © 1999 Quality Excellence for Suppliers of Telecommunications Forum For further information, refer to the QuEST Forum Web page at:
which holds reproduction rights in the United States.”
TL 9000 Quality System Requirements ii
TL 9000ቤተ መጻሕፍቲ ባይዱForeword
Foreword
The Telecommunications industry service providers and their suppliers are committed to meeting the expectations of their customers. Each has strived individually to accomplish this for many years. Most observers of the telecommunications industry would agree that very good progress has been made in the twentieth century. There is also a strong need, however, for even greater progress in the years ahead, and the challenge is how to make this a reality.
The text highlighted in the boxes throughout this document is a verbatim reproduction of ISO 9001:1994. This text is copyrighted by the International Organization Standardization. Not for resale. No part of this standard may be copied or reproduced in any form, including
As we in the telecommunications industry take steps to ensure that the quality of our services keeps pace with changing technological opportunities in the twenty-first century, all telecommunications users worldwide will benefit from ever improving telecommunications products.
The Quality Excellence for Suppliers of Telecommunications Forum includes most of the major service providers and their suppliers. We have joined forces in a remarkably cooperative and constructive spirit and created the TL 9000 Handbooks. Our goal from the beginning has been to develop a consistent set of quality system requirements and metrics when implemented will help provide telecommunications users with faster, better and more cost-effective services.