Troubleshooting
Troubleshooting
The following chapter contains a list of common problems and their solutions.
Symptoms Corrective Actions
Display is blank Confirm the phone’s power source.
1.
If you are using the power adapter:
l Ensure it is plugged in. If it still doesn’t
work, replace the power adapter.
2.
If you are using Power over Ethernet (PoE):
l Ensure your Ethernet cable is plugged into
the INTERNET port on the back of your
phone.
l Ensure the POE switch is properly
configured. If it still doesn’t work, replace
the Ethernet cable.
Phone not obtaining an IPaddress The DHCP server is not responding.
1.
Ensure your DHCP server is online. This is
typically your router.
2.
Reboot the router or DHCP server.
3.
If you are still experiencing issues, the phone
may require advanced network configuration.
Contact your administrator.
Phone will not register Your phone is not registered.
1. Run the Diagnostic Report under Menu > Tool
to see where an issue may be occurring.
2.
On the Extension page of the FortiVoice
interface, ensure the MAC address is correctly
entered and the Phone Type is FON-480. Save
your configuration and reboot the phone.
3.
If phone is configured as an external extension,
ensure the Provisioning server is correct under
Menu > Setting > Provisioning.
4.
If your phone is configured as an external
extension, check the network connection and
firewall settings at the phone system location
No audio during a call
1.
Check the handset/headset connections.
2.
Make sure the phone is properly registered with
the phone system.
3.
If your phone is configured as an external
extension, check the network connection and
firewall settings at the phone system location.
Fortinet 3.0.2 FON-480 User Guide 32
Fortinet Technologies Inc.