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  2. MSISDN - Wikipedia

    en.wikipedia.org/wiki/MSISDN

    MSISDN (/ ˈ ɛ m ɛ s aɪ ɛ s d iː ɛ n / MISS-den) is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network. It is the mapping of the telephone number to the subscriber identity module in a mobile or cellular phone.

  3. International mobile subscriber identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    E.214 provides a method to convert the IMSI into a number that can be used for routing to international SS7 switches. E.214 can be interpreted as implying that there are two separate stages of conversion; first determine the MCC and convert to E.164 country calling code then determine MNC and convert to national network code for the carrier's ...

  4. Mobile network codes in ITU region 2xx (Europe) - Wikipedia

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    Former Ukkoverkot; data-only network [2] 244: 36: Telia / DNA: Telia Finland Oyj / Suomen Yhteisverkko Oy: Operational: GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 800 / LTE 900 / LTE 1800 / LTE 2100 / LTE 2600: Joint mobile network in Northern and Eastern Finland areas 244: 37: Tismi: Tismi BV: Not operational: MVNO [56] MNC withdrawn [101 ...

  5. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM , UMTS , LTE , 5G NR , iDEN , Iridium or other IMEI-employing wireless ...

  6. eUICC - Wikipedia

    en.wikipedia.org/wiki/EUICC

    eUICC can refer to any implementation or application of the eUICC standards in an eSIM device. Each implementation of eUICC includes software code, a processor to emulate the software, non-volatile memory used to store the unique identifiers and cryptographic keys that are part of a SIM profile, and a bus interface to communicate the SIM profile to the mobile device. eUICC standards specify ...

  7. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    An eSIM cannot be physically removed from a device, which some might view as a disadvantage if they are concerned about being tracked. [34] The implementation of the eSIM on the Samsung Galaxy series in North America (USA and Canada) is different than the implementation in the rest of the world:

  8. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    This is a very widely deployed switching system found in Italy, Germany, Belgium, Australia and many other countries around the world. There are a large number of versions of this type of switch ranging from local, to transit to international gateway to mobile switching centers. The line was converted with the E10 family of exchanges. OmniPCX ...

  9. Remote SIM provisioning - Wikipedia

    en.wikipedia.org/wiki/Remote_SIM_provisioning

    The appearance and support by mobile operators of the concept of ABC (always best connected) – the opportunity get quality connections from any mobile operator at any point in time. The explosive growth of the Internet of Things (IoT) - according to Gartner about 8.4 billion connections in 2017 (up 31% from 2016).