4 Description

31.1333GPPIP Multimedia Services Identity Module (ISIM) Application Programming Interface (API)ISIM API for Java Card™Release 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

4.0 Overview

This API is an extension to the ETSI TS 102 241 [2] "UICC API for Java Card™" and requires the implementation of this specification.

The classes and interfaces described in this specification inherit functionality from the classes and interfaces specified in ETSI TS 102 141[2] "UICC API for Java Card™".

4.1 ISIM Java Card™ architecture

The overall architecture of the ISIM API is based on the "UICC API for Java Card™" defined in ETSI TS 102 241[2].