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  2. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...

  3. Universal integrated circuit card - Wikipedia

    en.wikipedia.org/wiki/Universal_integrated...

    In a cdmaOne/CDMA2000 ("CDMA") network, the UICC contains a CSIM application, in addition to 3GPP USIM and SIM applications. A card with all 3 features is called a removable user identity card, or R-UIM. Thus, the R-UIM card can be inserted into CDMA, GSM, or UMTS handsets, and will work in all three cases.

  4. USAT - Wikipedia

    en.wikipedia.org/wiki/Usat

    USAT may refer to: . USA Today, national daily newspaper; USIM Application Toolkit, a standard which enables the USIM to initiate actions which can be used for various value-added services delivered to 3G mobile devices (USAT is the equivalent of STK for 3G cellular networks)

  5. (U)SIM interface - Wikipedia

    en.wikipedia.org/wiki/(U)SIM_Interface

    The UICC with the SIM or USIM application plays an important role in mobile telephony as it is the secure element identifying a subscriber in the network and allowing MNOs to bill the respective account.

  6. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  7. UMTS security - Wikipedia

    en.wikipedia.org/wiki/UMTS_security

    UMTS provides mutual authentication between the UMTS subscriber, represented by a smart card application known as the USIM (Universal Subscriber Identity Module), and the network in the following sense 'Subscriber authentication': the serving network corroborates the identity of the subscriber and 'Network authentication': the subscriber corroborates that he is connected to a serving network ...

  8. Universal Subscriber Identity Module - Wikipedia

    en.wikipedia.org/?title=Universal_Subscriber...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Universal_Subscriber_Identity_Module&oldid=881136685"

  9. IP Multimedia Services Identity Module - Wikipedia

    en.wikipedia.org/wiki/IP_Multimedia_Services...

    The ISIM application can co-exist with SIM and USIM on the same UICC making it possible to use the same smartcard in both GSM networks and earlier releases of UMTS. Among the data present on ISIM are an IP Multimedia Private Identity (IMPI), the home operator domain name , one or more IP Multimedia Public Identity (IMPU) and a long-term secret ...