ATCOM IP2G4A - 6 Make Outbound;Inbound Calls To;From PSTN Network; Make Sure FXO Modules Are Installed

IPPBX IP2G4A User Manual
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6. Make outbound/inbound calls to/from PSTN network
6.1 Make sure FXO modules are installed
If there are FXO modules installed in your IPPBX, IPPBX configures analog trunk automatically when they are
detected.
NOTE: Before using them, please make sure FXO port is connected with PSTN line (InService). The connection