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  2. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    In GSM networks, the SIM Application Toolkit is defined by the GSM 11.14 standard released in 2001. [1] [4] [6] From release 4 onwards, GSM 11.14 was replaced by 3GPP TS 31.111 which also includes the specifications of the USIM Application Toolkit for 3/4G networks. [2]

  3. Mobility management - Wikipedia

    en.wikipedia.org/wiki/Mobility_management

    Roaming is one of the fundamental mobility management procedures of all cellular networks.Roaming is defined [2] as the ability for a cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home network, by means of using a visited network.

  4. GSM 03.48 - Wikipedia

    en.wikipedia.org/wiki/GSM_03.48

    GSM 03.48 is a protocol used to exchange secured packets between an entity in a GSM PLMN and an entity in the SIM card.Secured packets contain application messages to which certain mechanisms according to GSM 03.48 have been applied.

  5. GSM procedures - Wikipedia

    en.wikipedia.org/wiki/GSM_procedures

    GSM procedures are sets of steps performed by the GSM network and devices on it in order for the network to function. GSM (Global System for Mobile Communications) is a set of standards for cell phone networks established by the European Telecommunications Standards Institute and first used in 1991.

  6. Mobile Application Part - Wikipedia

    en.wikipedia.org/wiki/Mobile_Application_Part

    MAP for GSM (prior to Release 4) is specified by 3GPP TS 09.02 (MAP v1, MAP v2) MAP for UMTS ("3G") and GSM (Release 99 and later) is specified by 3GPP TS 29.002 (MAP v3) In cellular networks based on ANSI standards (currently CDMA2000 , in the past AMPS , IS-136 and cdmaOne ) plays the role of the MAP a similar protocol usually called IS-41 or ...

  7. Pelicans suspend Zion Williamson after he was reportedly late ...

    www.aol.com/sports/pelicans-suspend-zion...

    Statement from David Griffin: “This one game suspension is a result of failing to meet our team standards. His dedication to this organization is of paramount significance to us and to him.

  8. Unstructured Supplementary Service Data - Wikipedia

    en.wikipedia.org/wiki/Unstructured_Supplementary...

    USSD is commonly used by prepaid GSM cellular phones to query the available balance. The vendor's "check balance" application hides the details of the USSD protocol from the user. On some pay as you go networks, such as Tesco Mobile , once a user performs an action that costs money, the user sees a USSD message with their new balance.

  9. UMTS - Wikipedia

    en.wikipedia.org/wiki/UMTS

    The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. [1] Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology.