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FXO Last modified: Monday, February 28, 2005
Acronym for Foreign Exchange Office FXO is the interface on a VoIP device for connecting to an analog PBX extension.
Enterprise VoIP Planet The IT Manager's Guide to Voice over IP The Difference between FXS and FXO (PDF) This Patton Tech article provides an in-depth look at both FXS and FXO.	Related Categories Communications Internet Telephony Telecommunications Related Terms Internet telephony PBX VoIP Shopping FXO Products Compare Products,Prices and Stores Shop by Category: Modems 69 Model Matches Routers 52 Model Matches Expansion Modules 13 Model Matches