Penguin
Annotated edit history of FXO version 4, including all changes. View license author blame.
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3 AristotlePagaltzis 1 An [Acronym] for __F__oreign e__X__change __O__ffice interface.
1 ElroyLiddington 2
4 PhilMurray 3 The plug on the phone that ''receives'' [POTS] service (ie, expects a dialtone). An [FXO] port uses [FXS] signalling.
3 AristotlePagaltzis 4
5 An [FXO] card is an interface card that connects the fixed phone network (say [Telecom] or TelstraClear's network) to your computer. You can then have real calls processed with a [VoIP] [PABX] like [Asterisk].