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  2. Defense Switched Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Switched_Network

    In 1982, the DSN was designated by the Office of the Secretary of Defense (OSD) and the Joint Chiefs of Staff (JCS) as the provider of long-distance communications service for the DOD. The DSN is designated as a primary system of communication during peacetime, periods of crisis, preattack, non-nuclear, and post-attack phases of war.

  3. Defense Red Switch Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Red_Switch_Network

    The phone has the four extra MLPP buttons and 48 programmable buttons for access to both secure and nonsecure lines. [ 1 ] The Defense Red Switch Network (DRSN) is a dedicated telephone network which provides global secure communication services for the command and control structure of the United States Armed Forces .

  4. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Landline numbers in Taiwan are written with the area code in parentheses [with phone numbers total nine digits] Example: (02) XXXX YYYY for phone numbers in Taipei area. Mobile phones have 3 digit "company code" assigned to different mobile service carriers such as (09**) XXXXXX followed by a 6 digit phone number.

  5. Autovon - Wikipedia

    en.wikipedia.org/wiki/Autovon

    AUTOVON telephone. The Automatic Voice Network (AUTOVON, military designation 490-L) [1] was a worldwide American military telephone system. The system was built starting in 1963, based on the Army's existing Switch Communications Automated Network (SCAN) system.

  6. DSN - Wikipedia

    en.wikipedia.org/wiki/DSN

    DSN Satellite Network, a Japanese military X band satellite communications network operated by DSN Corporation Direktion für Staatsschutz und Nachrichtendienst (Directorate for National Security and Intelligence), an Austrian intelligence agency

  7. Telephone number - Wikipedia

    en.wikipedia.org/wiki/Telephone_number

    For example, a telephone number in North America consists of a three-digit area code, a three-digit central office code, and four digits for the line number. If the numbering plan area does not use an overlay plan with multiple area codes, or if the provider allows it for other technical reasons, seven-digit dialing may be permissible for calls ...

  8. Telephone numbers in Iraq - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Iraq

    Iraq area codes can be 1 or 2 digits (not counting the trunk prefix 0) and the subscriber numbers are usually 6 digits. In Baghdad and some other governorates, they are 7 digits. The mobile numbers have 10 digits, beginning with the 3-digit code of each operator followed by 7 digits.

  9. Data source name - Wikipedia

    en.wikipedia.org/wiki/Data_source_name

    In computing, a data source name (DSN, sometimes known as a database source name, though "data sources" can comprise other repositories apart from databases) is a string that has an associated data structure used to describe a connection to a data source.