20
Troubleshooting
Fault
Solution
No dialing tone after off-
hook.
Check the antenna connection or
connection between the device and
telephone.
Phone is buzzing after off-
hook.
The telephone may be not compatible
with the device, change another one.
You hear noise after off-
hook.
Make sure that the device is far away
from other electronic devices.
If the device runs without antenna, and
the signal strength indicator is Yellow or
Red, install the antenna.
The system stops sending
dialing tone 30 seconds
after off-hook.
Hook on, and then hook off again to
make a call.
Incoming call display is
abnormal.
Make sure the phone supports CLIP
function.
No response when power
on the device.
Power off the device, wait for seconds,
and re-power on.
Other.
Check whether the parts, such as
power supply adapter and antenna, etc.
are connected properly. If there is no
problem, restart the device.
Summary of Contents for U.S. Cellular
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