Troubleshooting

Troubleshooting

The following table contains a list of common problems and their solutions.

Symptoms	Corrective actions
Display is blank	Ensure that the phone is powered on and is charged.
LAN LED is blinking.	The base station has no IP address. Ensure your DHCP server is online. This is typically your router. Reboot the router or DHCP server. If you are still experiencing issues, the phone may require advanced network configuration. Please contact your administrator.
No name and Extension Number is displayed	Your phone is not registered. On the Extensions page of the FortiVoice interface, ensure the MAC address is correctly entered and the Phone Type is FortiFone-D72. Save your configuration and reboot the phone. If your phone is an external extension, ensure the Server URL is correct. To verify, see For use as an external extension. 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	Check the handset/headset connections. Make sure the phone is properly registered with the phone system. If your phone is configured as an external extension, check the network connection and firewall settings at the phone system location.

Troubleshooting

The following table contains a list of common problems and their solutions.

Symptoms

Corrective actions

Display is blank

Ensure that the phone is powered on and is charged.

LAN LED is blinking.

The base station has no IP address.

Ensure your DHCP server is online. This is typically your router.
Reboot the router or DHCP server.
If you are still experiencing issues, the phone may require advanced network configuration. Please contact your administrator.

No name and Extension Number is displayed

Your phone is not registered.

On the Extensions page of the FortiVoice interface, ensure the MAC address is correctly entered and the Phone Type is FortiFone-D72. Save your configuration and reboot the phone.
If your phone is an external extension, ensure the Server URL is correct. To verify, see For use as an external extension.
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

Check the handset/headset connections.
Make sure the phone is properly registered with the phone system.
If your phone is configured as an external extension, check the network connection and firewall settings at the phone system location.