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File Structure of the ISIM (IMS Services Identity Module) in the UICC

In the following graphical representation, the ISIM Application-Dedicated-File-box and each Elementary-File-box gives access to the associated entry in the Glossary of SIM/UICC files.

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ADF-ISIM EF-IMPI: IMS Private user Identity     ADF-ISIM EF-DOMAIN: Home Network Domain Name     ADF-ISIM EF-IMPU: IMS Public user Identity     ADF-ISIM EF-ARR: Access Rule Reference
ADF-ISIM EF-IST: ISIM Service Table     ADF-ISIM EF-P-CSCF: P-CSCF Address     ADF-ISIM EF-SMS: Short messages     ADF-ISIM EF-SMSP: SMS Parameters