VTech IP8300 - Manual (Page 105)

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Appendix
Troubleshooting
Problem Suggestion
My screen displays: If you receive this error message, it usually indicates a configuration problem with your firewall
or router which prevents information from passing between the phone and the Internet.
We recommend that you forward TCP Port 5060 to the IP address of the ip8300, or configure
it as the DMZ host.To find the IP address of the ip8300, check the DHCP log for your router.
For detailed information on checking the DHCP logs, setting up port forwarding, or DMZ host
configuration, please refer to your router’s user manual or call the manufacturer for help.
Note: If no changes have been made to your router and the unit has worked previously, the server
that provides this information may be down temporarily. Please try it again at a later time.
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My screen displays: If you receive this error message, this indicates the ethernet cable is disconnected and/or your
router is not working properly.
Please check your computer to see if you are experiencing a service and/or router issue. If
your computer is connecting to the internet, please check the ethernet cable that is connected
from the phone base to the router. Remove it and then reconnect it. If you are still not getting
connection then you can try temporarily plugging the ethernet cable from the phone base
directly into your modem. If your phone connects to the INFO service when plugged directly
into the modem, there may be a problem with your router.
After you have tried the above information, please see the solution for
Unable to communicate
with phone service in this Troubleshooting section.
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