TTA (Telecommunications Technology Association) is a Korean IT standards organization that develops new standards and provides one-stop services for the establishment of IT standards as well as testing and certification for IT products.

The purpose of TTA is to contribute to the advancement of technology and the promotion of information and telecommunications services and providing technical standards that reflect the latest domestic and international technological advances, needed for the planning, design and operation of global end-to-end telecommunications and related information services, in close collaboration with companies, organizations and groups concerned with information and telecommunications such as network operators, service providers, equipment manufacturers, academia and R&D institutes.

It's main activities include:

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