(RVA (Raad Voor Accreditatie
(ISO (International Organization for Standardizati
(IEC (International Electrotechnical Commission
(ITU (International Communication Union
IEEE (Institute of Electrical and Electronical Engineers)
(CEN (The Europeen Commitee for Standardization
(ETSI (European Telecommunications Standards Insti
(NIST (National Institute of Standards and Technol
(ANSI (American National Standards Institute