International Mobile Equipment Identifier (IMEI) is a 15-dlgit number that indicates the
manufacturer, model type, and country of approval for GSM devices. The first eight digits of an
IMEI number that provide information about the model and origin of the mobile device is also
known as:

A.
Integrated Circuit Code (ICC)

B.
Type Allocation Code (TAC)

C.
Device Origin Code (DOC)

D.
Manufacturer identification Code (MIC)