Grandstream Networks GXP1625

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15
Troubleshooting
Please check the troubleshooting procedure before requesting a repair. If the
problem doesn’t get resolved, please contact us.
Problem
Solution
General
Failure
Plug
and Unplug from the power source. (Do this for
few times
).
Wait for at least one minute before plugging the
device.
If the problem is not resolved after doing this, please
contact our customer support service
.
Please provide your number and broadband products.
Problem
Cause
Solution
No
Ringer Sound
Ethernet
Cable is
disconnected
.
AC Adapter is disconnected.
Did you change the volume
settings
?
Did you change the settings on
the display?
Check
the connection of the
Ethernet cable
.
Check the connection of the
AC Adapter
.
Adjust the volume on the
volume button
.
Revert the changed settings.
Disconnect the Ethernet cable.
(Please reboot
).
Call
is interrupted by noise
Are
there any abnormalities in
the network environment
?
Check
your network
environment.
Initialization Method
Note that previous configurations will be clearedout after the initialization process.
You need to set all the required information again to start your service.
Press the [MENU] [●] button and select [Config]. Then, select [Factory Reset] and
confirm by selecting [OK]