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Foreign exchange office

(FXO) An analog telephone plug on a handset that receives POTS service from the telephone exchange (“central office”) via a Foreign eXchange Subscriber socket and provides on-hook/off-hook indication to the exchange.


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  • Foreign exchange subscriber

    communications (FXS) A socket that provides analog telephone service (POTS) from the telephone exchange (“central office”) to a handset with an Foreign eXchange Office plug. The socket provides dial tone, power and a ring signal. (2008-01-17)

  • Foreign-flag

    [fawr-in-flag, for-] /ˈfɔr ɪnˌflæg, ˈfɒr-/ adjective 1. (of a vessel or aircraft) having a registry under a nationality other than one’s own: rivalry between U.S.-flag freighters and foreign-flag ships. 2. (especially of a ship) owned by a national of one country and registered under the maritime laws of another country: Some foreign-flag vessels are actually […]

  • Foreignism

    [fawr-uh-niz-uh m, for-] /ˈfɔr əˌnɪz əm, ˈfɒr-/ noun 1. a custom, mannerism, etc. 2. any trait, deviating from accepted speech standards, derived from a language. 3. imitation of anything . 4. a quality. /ˈfɒrɪˌnɪzəm/ noun 1. a custom, mannerism, idiom, etc, that is foreign 2. imitation of something foreign

  • Foreign key

    database A column in a database table containing values that are also found in some primary key column (of a different table). By extension, any reference to entities of a different type. Some RDBMSs allow a column to be explicitly labelled as a foreign key and only allow values to be inserted if they already […]

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