The TL 9000 Quality Management System (QMS) was created by the QuEST Forum to meet the quality requirements of the worldwide telecommunications industry. It defines quality system requirements for the design, development, production, delivery, installation and maintenance of telecom products and services, and provides a measurement system that, when implemented, allows companies to track performance and improve results.
The QuEST Forum has pursued a goal of global telecommunications quality and industry-wide performance excellence. Through the implementation of a common set of quality requirements, the collaborative activities of its global work groups, an emphasis on industry best practices, and the delivery of a leading edge performance data reports, QuEST Forum advances the quality, reliability, and performance of telecom products and services around the world.
The TL 9000 Quality Management System (QMS) was created by the QuEST Forum to meet the quality requirements of the worldwide telecommunications industry. It defines quality system requirements for the design, development, production, delivery, installation and maintenance of telecom products and services, and provides a measurement system that, when implemented, allows companies to track performance and improve results. 
