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Reply To: Voice Over IP


Your FXS(foreign exchange station)needs a FXO (foreign exchange office) is a service that can be ordered from the telephone company that provides local telephone service from a CO which is outside(foreign to) the subscribers exchange need a (FX)foreign exchange trunk. Connecting POTS telephones to a computer telephone system via T-1 links requires a channel bank configured with FX type connections. your PBX needs FXO connection configured I hope this helps