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Wireless-G IP Phone
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Appendix A: Troubleshooting
Common Problems and Solutions
Appendix A: Troubleshooting
This appendix provides solutions to problems that may occur during the installation and operation of the
Wireless-G IP Phone. Read the description below to solve your problems. If you can't find an answer here, check
the website of your Internet phone service provider or the Linksys website at www.linksys.com/international.
Common Problems and Solutions
1. I don’t hear a dial tone.
Go through this checklist until your problem is solved:
• Check your router and network connection to the Internet.
• Follow these instructions to reboot your cable or DSL modem, IP Phone, and router:
1. Power off your modem by unplugging its power adapter.
2. Power off the router by unplugging its power adapter.
3. Power off the IP Phone by pressing and holding down the Power On/Off button for two seconds.
4. Wait two minutes. Power on your modem by plugging its power adapter into an electrical outlet.
5. Wait two minutes. Power on the router by plugging its power adapter into an electrical outlet.
6. Wait five minutes. Power on the IP Phone by pressing and holding down the Power On/Off button for
two seconds.
7. Reboot one of your networked computers, and check for an active Internet connection.
8. Pick up the IP Phone. You should now have a dial tone.
• Set up port forwarding on your router. You must specify that four port ranges be forwarded to the IP
address of the IP Phone. These four port ranges are as follows: 5060-5061 (UDP), 53-53 (UDP),
69-69 (UDP), and 10000-20000 (UDP).