  ITU | International Telecommunication Union |
| ARIB | Association of Radio Industries and Businesses |
| ATIS | Alliance for Telecommunications Industry Solutions |
| ATSC | Advanced Television Systems Committee |
| ETSI | European Telecommunications Standards Institute |
| IEEE | Institute of Electrical and Electronics Engineers |
| IETF | Internet Engineering Task Force |
| OMA | Open Mobile Alliance |
| TIA | Telecommunications Industry Association |