3GPP and ITU
The 3rd Generation Partnership Project (3GPP) is the organisation that creates and maintains the technical standards for global mobile communication technologies, including GSM, GPRS, EDGE, UMTS, HSPA, LTE, and future 5G technologies. The International Telecommunication Union (ITU) is a United Nations organisation that regulates the global use of mobile telecommunciation.
https://weibeld.net/mobcom/3gpp-and-itu.html
