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7. Trouble Shooting
The following troubleshooting information can be used to help solve most common problems.
QUESTION
RECOMMENDED ACTION
There is no DIAL tone
1. Check if there are any loose connections.
Nothing is displayed on the LCD
screen
1. Check if power cord is connected properly.
2. Check if there is proper AC power coming from the power outlet.
How to update Firmware?
1. IP Phone automatically updates firmware when it powers up (while
connected to the internet) if auto-provisioning is available.
Why can t I dial my friend s SIP
number?
1. Check Registrar Server Domain Name/IP address and Outbound Proxy
Domain Name/IP Address (under SIP Settings in Configuration Menu). Make
sure you have the right Name or IP Address.
2. Check the LCD display on your phone to see if there is a name or number
displayed on the screen. If the name or number is not displayed, use a web
browser and access the configuration menu. Make sure that the Registrar
Server Domain Name/IP Address is correct.
3. Check the register status under SIP Account Settings in the configuration
menu (from web browser). If your status is unregistered, it means you do not
have a SIP account. Contact your SIP service provider to get an account.
Why isn t my firmware updating?
1. Your IP phone automatically detects for new firmware when you unplug the
power. If a new version is available the phone will automatically update the
firmware.