Troubleshooting; Information; Troubleshooting Guide - Fortinet FortiFone FON-260i User Manual

Troubleshooting

Information

The phone provides the means to quickly view the network parameters (IP address, default
gateway address, and subnet-mask), server IP addresses (SIP servers, TFTP server, and SNTP
server), results of the last file download attempt, boot version, and hardware and firmware
version. This information may be useful if calling Fortinet Support.
• Press the
• Press the Down navigation button to scroll through the parameters.
• Press the

Troubleshooting Guide

Symptom
Nothing showing on the LCD
Phone displays "Obtaining IP
Address" for more than
2 minutes
"Not Registered" on LCD
No dial tone when off-hook
No audio during a call
Troubleshooting
button, select 8. Information and press the OK button.
button to exit the menu.
Corrective Action
1. Ensure the power adapter is plugged in.
2. Check/replace AC/DC adapter.
The DHCP server is not responding.
1. Check if the DHCP server is online or reboot the
router/device.
2. Check your VLAN settings if enabled. To exit the DHCP
searching mode, press the
phone will complete the boot and return to idle.
1. Ensure the MAC address in the phone system
configuration is correctly entered then save and reboot the
phone.
2. Ensure the phone type is the same as the model you have.
3. Ensure the TFTP IP address is correct. To verify, see the
Updating the Firmware section.
4. Check the network connections and firewall settings at
the phone system location if using as an external
extension.
1. Ensure the RJ-45 LAN cable is connected correctly.
2. Ensure the phone is registered with a phone system. See
the previous topic for more information.
1. Check the handset connections.
2. Make sure the phone is properly registered with the phone
system.
3. Check the network connections and firewall settings at
the phone system location if using as an external
extension.
Page 59
button 3 times. The
FortiFone User Guide for FON-260i