Select the desired FXO line number from the FXO Settings
table. The FXO Settings - FXO# page will be opened where the settings
for the selected FXO line can be modified.
Enable the FXO line to receive calls from the PSTN. To reject calls from PSTN,
deselect the Enable FXO checkbox.
If FXO has been enabled, select the call type from the Allowed
Call Type drop down list.
Choose the corresponding Route Incoming FXO Call to radio button and define the destination where to route the FXO calls.
Insert a PSTN number in the same named text field to identify the FXO line.
Enable Alternative AC Termination Mode if this is a requirement of your CO.