<communications> (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.
(2008-01-17)
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Nearby terms: ForceOne « ForceTwo « foreground « Foreign eXchange Office » Foreign eXchange Subscriber » foreign key » Foresight