11-25-2002 06:07 PM - edited 03-02-2019 03:10 AM
what is the difference?
11-25-2002 06:54 PM
Did you mean FXO and FXS ...????? I dont think there is a voice card by name FSO.....
11-26-2002 10:23 AM
An FXS port (Foreign Exchange Signaling) provides signalling between a voice enabled router and a telephone handset or Fax machine.
An FXO port (Foreign Exchange Office) provides signalling between a voice enable router and the PSTN or to a PBX
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