APÂ®, Advanced Placement ProgramÂ® or Pre-APÂ® is a registered trademark of the College Board, which was not involved in the production of, and does not endorse, this product. SATÂ® is a trademark registered and/or owned by the College Board, which was not involved in the production of, and does not endorse, this product.
1 The International Society for the Study of Individual Differences (ISSID) was founded in 1983 to foster research on individual differences in temperament, intelligence, attitudes, and abilities.
All signaling and messaging in GSM and UMTS networks uses the IMSI as the primary identifier of a subscriber. The IMSI is one of the pieces of information stored on a SIM card. ICCID = Integrated Circuit Card ID. This is the identifier of the actual SIM card itself - i.e. an identifier for the SIM chip.