GSM Equipment Identity Register A database used to store the IMEIs of locally issued telephones in three files: white (known to be good), black (stolen or known to be bad), gray (under test)
Environmental Impact Report: Analyzes the effect on the environment of significant projects
Equipment Identity Register A database used to verify the validity of equipment being used in mobile networks It can provide security features such as blocking of calls from stolen mobile phones and preventing unauthorized access to the network Black-listed equipment prevents call completion