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  2. Telephone numbers in Europe - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Europe

    Calling codes in Europe. Telephone numbers in Europe are managed by the national telecommunications authorities of each country. Most country codes start with 3 and 4, but some countries that by the Copenhagen criteria are considered part of Europe have country codes starting on numbers most common outside of Europe (e.g. Faroe Islands of Denmark have a code starting on number 2, which is most ...

  3. List of international call prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_international_call...

    This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, only the symbol + before the country code may be used [citation needed] irrespective of where the telephone is used at that moment; the ...

  4. International access code - Wikipedia

    en.wikipedia.org/?title=International_access...

    Language links are at the top of the page across from the title.

  5. Access code - Wikipedia

    en.wikipedia.org/wiki/Access_code

    Access code may refer to: Authentication. Password, a secret word; Personal identification number (PIN), a secret; Telecommunications. Trunk access code, used to dial a domestic call; International access code, used to dial an international call; Area code, a segment of a telephone number; Other. Access Code, a 1984 film with Macdonald Carey

  6. Logbook of The World - Wikipedia

    en.wikipedia.org/wiki/Logbook_of_The_World

    The matching process is blind, meaning that none of the two stations can see pending confirmations before they uploaded a matching record. The LoTW QSL is purely electronic; there were no paper confirmations. However, a participant is able to print out a record of each confirmed contact, complete with its LOTW record number.

  7. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    History. The technology of code-division multiple access channels has long been known. United States. In the US, one of the earliest descriptions of CDMA can be found in the summary report of Project Hartwell on "The Security of Overseas Transport", which was a summer research project carried out at the Massachusetts Institute of Technology from June to August 1950.

  8. Common Language Information Services - Wikipedia

    en.wikipedia.org/wiki/Common_Language...

    Common Language Codes. Following are Common Language codes used by the telecommunications industry. CLEI Codes. Common Language Equipment Identifier or CLEI code is an industry standard, globally unique identifier for telecommunications equipment with a uniform feature-oriented classification. CLEI codes may be acquired by telecommunications ...

  9. HTTP 403 - Wikipedia

    en.wikipedia.org/wiki/HTTP_403

    Insufficient permissions: The most common reason for a 403 status code is that the user lacks the necessary permissions to access the requested resource. This can mean that the user is not logged in, has not provided valid credentials, or does not belong to the appropriate user group to access the resource.