| Classification |
Name |
Country / Region |
| 1.International organization |
ITU（International Telecommunication Union） |
- |
| APT（Asia-Pacific Telecommunity） |
- |
| 2.Members of GSC |
ARIB (Association of Radio Industries and Businesses) |
Japan |
| ATIS (Alliance for Telecommunications Industry Solutions) |
USA |
| CCSA (The China Communications Standards Association) |
China |
| ETSI (European Telecommunications Standards Institute) |
European Union |
| IEEE-SA (IEEE - Standards Association) |
World Wide |
| ITU (International Telecommunication Union) |
United Nations |
| TIA (Telecommunications Industry Association) |
USA |
| TSDSI (Telecommunications Standards Development Society, India) |
India |
| TTA (Telecommunication Technology Association) |
Korea |
| TTC (The Telecommunication Technology Committee) |
Japan |
| 3.Foreign government agency |
Autorité de régulation des communications électroniques et des postes (ARCEP) |
France |
| Canadian Radio-television and Telecommunications Commission (CRTC) |
Canada |
| Federal Communications Commission (FCC) |
USA |
| Federal Network Agency for Electricity, Gas, Telecommunications, Post and Railway |
Germany |
| Government of Canada |
Canada |
| Innovation, Science and Economic Development Canada |
Canada |
| Korea Communications Commission |
Korea |
| Ministry of Industry and Information Technology of the People's Republic of China |
China |
| Office of Communications (Ofcom) |
UK |
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