Problem
A Phone/Fax
The cable is not
connection
properly
cannot be
connected.
established.
The cable type or
connector type is
not correct.
Incoming calls:
The call type used
for the call is not
selected in the web
interface.
FB250: If you are
located in a low
elevation area
(<20°), 3.1 kHz
Audio is not
supported.
Possible Cause
Connect the cable.
For information on the correct
type of connector and cable, refer
to the installation manual.
Make sure the call type used for
calls to the terminal is selected in
the web interface. Access the web
interface and select SETTINGS >
Phone/Fax. Then, for each of the
two ports, select the call type for
incoming calls.
Use Standard voice in stead of
3.1 kHz Audio when you are
located in areas with low
elevation (< 20°).
Troubleshooting guide
Chapter 5: Troubleshooting
Remedy
159