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  2. Call detail record - Wikipedia

    en.wikipedia.org/wiki/Call_detail_record

    A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...

  3. Mobile network codes in ITU region 3xx (North America)

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

    Metro: Metro by T-Mobile: Operational: MVNO: Former MetroPCS; CDMA2000 1900 / CDMA2000 1700 shut down in 2015; LTE 1700 merged with T-Mobile US [131] 311: 670: Pine Belt Wireless: Pine Belt Cellular Inc. Operational: LTE 700: Alabama; [131] CDMA shut down [194] 311: 680: GreenFly LLC: Unknown: GSM 1900: Iowa [131] [77] 311: 690: TeleBEEPER of ...

  4. 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 ...

  5. Metro by T-Mobile - Wikipedia

    en.wikipedia.org/wiki/Metro_by_T-Mobile

    Metro by T-Mobile, formerly known as MetroPCS, and simply known as Metro, is an American prepaid wireless service provider and brand owned by T-Mobile US.It previously operated the fifth largest mobile telecommunications network in the United States using code-division multiple access (CDMA).

  6. Customer proprietary network information - Wikipedia

    en.wikipedia.org/wiki/Customer_proprietary...

    Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer's telephone service. [1] It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and certain other information that appears on the consumer's telephone bill. [2]

  7. MSISDN - Wikipedia

    en.wikipedia.org/wiki/MSISDN

    The IMSI is often used as a key in the home location register ("subscriber database") and the MSISDN is the number normally dialed to connect a call to the mobile phone. A SIM has a unique IMSI that does not change, while the MSISDN can change in time, i.e. different MSISDNs can be associated with the SIM.

  8. Cell Global Identity - Wikipedia

    en.wikipedia.org/wiki/Cell_Global_Identity

    Cell Global Identity (CGI) is a globally unique identifier for a Base Transceiver Station in mobile phone networks. [1] It consists of four parts: Mobile Country Code (MCC), Mobile Network Code (MNC), Location Area Code (LAC) and Cell Identification (CI).

  9. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.

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