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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. When I make a telephone call, the call doesn’t go through; instead, I hear a fast busy signal.
Go through this checklist until your problem is solved:
• Follow these instructions to reboot your cable or DSL modem, IP Phone, and router:
1. Power off your cable or DSL 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 button for two seconds.
4. Wait 30 seconds, and then power on your cable or DSL modem by plugging its power adapter into
an electrical outlet.
5. Wait 30 seconds. Power on the router by plugging its power adapter into an electrical outlet.
6. Wait 10 seconds. Power on the IP Phone by pressing and holding down the Power button for two
seconds.
7. Reboot one of your networked computers, and check for an active Internet connection.
8. Pick up the IP Phone and try your call again.
• 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).
If you have a non-Linksys router, refer to its documentation for instructions.