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(5) Line configure/ Line Polarity
/VoIP Setup/Line Configure/ Line Polarity
This page defines the Polarity on the phone port of the VoIP router.
If use the normal phone set to connect gateway, please select “Normal”.
If use PBX or special PSTN line (support polarity invert), then please select “Invert”.
Please remember to press the
Modify
button to take it effect. For store back to flash
memory, please press Save Modification (
/System Maintenance/Save Modification/
).