Installation guide

Troubleshooting 197
Synapse Installation Guide
The fax is not working and
the FXS LED that corresponds
to the jack you are using for
connecting the fax machine is
flashing
GREEN .
The ring voltage is present
but your FXS configuration
may be wrong.
 Change the Fax Mode:
a. Log in to the WebUI as administrator, click
System Settings, then Fax Configuration.
b. Change the Fax Mode setting, then click .
The default Fax Mode is G.711. If the fax fails to work
in G.711 mode, change it to T.38.
The fax machine is
connected to the telephone
line through the Synapse
system and the FXS LED
indications appear correct,
yet outgoing faxes fail.
Number dialed incorrectly.
 To send faxes, ensure that you enter a 9 or whatever digit,
if any, that must be dialed first for an outside call. For
example, 9-1-555-0123
Unable to receive incoming
faxes.
Fax line not configured
properly.
1. Log in to the WebUI as administrator, click
System Settings, then Fax Configuration.
2. Verify that Fax Line is set to the correct line.
3. Verify that the physical outside line on which incoming
faxes are received is connected to the chosen Fax Line
on the Gateway. If not, outgoing faxes will work but
incoming faxes will be directed to the Auto Attendant
instead of being directed to the fax.
4. Click .
Symptom Probable Cause Corrective Action ATA Fax Configuration