WELLTECH ATA-172 - Page 39

ATA Web user guide
39 / 114 2015/1/8
PSTN-Out
Volume
Default is 10. Adjust the volume from FXO to IP port (0 to 12).
PSTN-In Gain Default is 10. Adjust the volume from IP to FXO port (0 to 12).
Submit [button] Save the configuration.