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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. (U)SIM interface | Wikipedia

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

   Standardisation of the (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. Hence it is crucial to have standardised features e.g. placing phone calls or sending SMS working ...

4. SIM card | Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s cell phone A SIM (Subscriber Identity Module) card 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 ...

5. Universal integrated circuit card | Wikipedia

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

   A 25 × 15 mm Vodafone New Zealand SIM card. The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G (GSM), 3G (UMTS), 4G (LTE), and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.

6. IP Multimedia Subsystem | Wikipedia

   en.wikipedia.org/wiki/IP_Multimedia_Subsystem

   IP Multimedia Subsystem. The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is a standardised architectural framework for delivering IP multimedia services. Historically, mobile phones have provided voice call services over a circuit-switched -style network, rather than strictly over an IP packet-switched network.

7. IP Multimedia Services Identity Module | Wikipedia

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

   hide. An IP Multimedia Services Identity Module (ISIM) is an application residing on the UICC, an IC card specified in TS 31.101. This module could be on a UMTS 3G or IMS VoLTE network. It contains parameters for identifying and authenticating the user to the IMS. The ISIM application can co-exist with SIM and USIM on the same UICC making it ...

8. List of chemical process simulators | Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_process...

   This is a list of software used to simulate the material and energy balances of chemical process plants. Applications for this include design studies, engineering studies, design audits, debottlenecking studies, control system check-out, process simulation, dynamic simulation, operator training simulators, pipeline management systems, production management systems, digital twins.

9. CDMA subscriber identity module | Wikipedia

   en.wikipedia.org/wiki/CDMA_Subscriber_Identity...

   A CDMA subscriber identity module ( CSIM) is an application to support CDMA2000 phones that runs on a UICC, with a file structure derived from the R-UIM card. By porting the application to the UICC (Universal Integrated Circuit Card), a card with CSIM, SIM, and USIM can operate with all major cellular technologies worldwide.