Central Equipment Identity Register

A Central Equipment Identity Register (CEIR) is a database of mobile equipment identifiers (IMEI – for networks of GSM standard, MEID – for networks of CDMA standard). Such an identifier is assigned to each SIM slot of the mobile device. Lists of IMEIs may be the: * White – for devices that are allowed to register in the cellular network, * Black – for devices that are prohibited to register in the cellular network, * Grey – for devices in intermediate status (when it is not yet defined in which of the lists - black or white - the device should be placed).

Central Equipment Identity Register

A Central Equipment Identity Register (CEIR) is a database of mobile equipment identifiers (IMEI – for networks of GSM standard, MEID – for networks of CDMA standard). Such an identifier is assigned to each SIM slot of the mobile device. Lists of IMEIs may be the: * White – for devices that are allowed to register in the cellular network, * Black – for devices that are prohibited to register in the cellular network, * Grey – for devices in intermediate status (when it is not yet defined in which of the lists - black or white - the device should be placed).