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LTE Quick Reference, USIM Parameters

: ACC stands for Access Control Class. The access control class is a parameter to control the access attempts. 15 classes are split into 10 classes randomly allocated to normal subscribers and 5 classes allocated to specific high priority users. When UE sees any Access Control settings from Network (e.g, ac-Barring setting in SIB message), UE refer to this UICC parameter to figure out which Class it belongs.