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  2. Central Equipment Identity Register - Wikipedia

    en.wikipedia.org/wiki/Central_Equipment_Identity...

    Depending on the rules of mobile equipment registration in a country the CEIR database may contain other lists or fields beside IMEI. For example, the subscriber number , which is bound to the IMEI, the ID of the individual (passport data, National ID, etc.) who registered IMEI in the database, details of the importer who brought the device ...

  3. International Mobile Equipment Identity - Wikipedia

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

    The check digit is not transmitted over the radio interface, nor is it stored in the EIR database at any point. Therefore, all references to the last three or six digits of an IMEI refer to the actual IMEI number, to which the check digit does not belong. The check digit is validated in three steps:

  4. International mobile subscriber identity - Wikipedia

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

    An IMSI is usually presented as a 15-digit number but can be shorter. For example, MTN South Africa 's old IMSIs that are still in use in the market are 14 digits long. The first 3 digits represent the mobile country code (MCC), which is followed by the mobile network code (MNC), either 2-digit (European standard) or 3-digit (North American ...

  5. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    In email encryption, code signing, and e-signature systems, a certificate's subject is typically a person or organization. However, in Transport Layer Security (TLS) a certificate's subject is typically a computer or other device, though TLS certificates may identify organizations or individuals in addition to their core role in identifying ...

  6. CertTESOL - Wikipedia

    en.wikipedia.org/wiki/CertTESOL

    The Trinity TYLEC [5] module is intended for already qualified teachers—particularly those with pre-existing CertTESOL certificates. Its aim is to instruct ESL teachers on how to correctly teach English as a foreign language to children and teens (Ages 7–16).

  7. Central Registration Number - Wikipedia

    en.wikipedia.org/wiki/Central_Registration_Number

    The Central Registration Number was divided between commissioned officers and enlisted grades. For commissioned officers, the number extends from 10001 to 99999. For enlisted grades, the number extends from 100001 to 999999. [1] The following are the original service numbers which were first issued to Indonesian Army military personnel: [1]

  8. NumberGuru - Wikipedia

    en.wikipedia.org/wiki/NumberGuru

    NumberGuru works by entering the telephone number that the user wishes to find information on. The owner's name, phone carrier, location, and type of phone are returned in the results. [ 6 ] It also allows user to enter information about business or marketer numbers such as spam reports. [ 7 ]

  9. B2 First - Wikipedia

    en.wikipedia.org/wiki/B2_First

    B2 First, previously known as Cambridge English: First and the First Certificate in English (FCE), is an English language examination provided by Cambridge Assessment English (previously known as Cambridge English Language Assessment and the University of Cambridge ESOL examinations).