GSMA
Global System for Mobile Communications Association – Organization that allocates official IMEI number ranges to all manufacturers of 3GPP compliant devices and records these ranges and device model information in a database.
HSS
Home Subscriber Server – A network element of EPC that contains user related and subscription related information in a centralized database.
ICCID
Integrated Circuit Card Identifier – The number used by the network operator to identify the SIM card.
IETF
The Internet Engineering Task Force – Internet Engineering Task Force is a standards organization for the Internet and is responsible for the technical standards that make up the Internet protocol suite.
IMSI
International Mobile Subscriber Identity – A unique number used to recognize the carrier being used by your mobile device.
IoT
Internet of Things – Physical objects with the ability to connect and exchange data with each other over the Internet. A network of objects that are embedded with sensors, processing ability, software, to connect to and exchange data with other such objects or networks.