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Line settings
General Settings
→
Line settings
Listening Volume: Use the drop-down menu to adjust the hearing (listening) volume.
Speaking Volume: Use the drop-down menu to adjust the speaking volume.
Tone Volume: Use the drop-down menu to adjust the tone volume. It will apply to all tones
generated by the RoIP/FXS including Dial Tone, Ring Back Tone and Busy Tone.
FXS Current: Set the output D.C. current of FXS port.
Min. FXS Hook Flash Time: Enter the minimum flash time for FXS detecting. When the flash
signal generated by the phone set is shorter than Min. FXS Hook Flash Time, FXS port will be
on-hook.
Flash Time: Enter the maximum flash time for FXS detecting. When the flash signal generated
by the phone set is longer than the Flash Time, FXS port will be on-hook.
Enable Polarity Reversal: Check the box to activate the generation of polarity reversal from FXS.
FXS Chip Option 1: Check the box to avoid mis-detecting the loop state of a subscriber line or
PBX user loop from FXS interface. In some cases, the off-hook voltage might cause the FXS
interface mis-detect the idle and the active state, in order to avoid this situation, un-check this
feature.