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Appendix A: Troubleshooting
Common Problems and Solutions
Internet Phone Adapter with 2 Ports for Voice-over-IP
Appendix A: Troubleshooting
This appendix provides solutions to problems you may experience when installing and using the Phone Adapter.
Read the descriptions below to solve your problems. If you can't find an answer here, check your Internet phone
service provider’s website.
Common Problems and Solutions
1. I don’t hear a dial tone.
Go through this checklist until your problem is solved:
• Make sure the telephone is plugged into the correct port, PHONE 1 or PHONE 2. (You should use the
Phone 2 port only if you have more than one Internet telephone service account.)
• Make sure the green INTERNET LED on the front panel of the Phone Adapter is lit. If it is not lit, check your
router and network connection to the Internet.
• Make sure the green PHONE 1 LED on the front panel of the Phone Adapter is lit, then pick up the
telephone; you should now have a dial tone.
• Follow these instructions to reboot your cable or DSL modem, Phone Adapter, 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 Phone Adapter by unplugging its power adapter.
4. Wait two minutes, then power on your cable or DSL modem by plugging its power adapter into an
electrical outlet.
5. Wait two minutes, then power on the router by plugging its power adapter into an electrical outlet.
6. Wait five minutes, then power on the Phone Adapter by plugging its power adapter into an electrical
outlet.
7. Reboot one of your networked computers, and check to see if you have an active Internet connection.
8. Pick up the telephone. You should now have a dial tone.
• Set up port forwarding on your router. You must specify that ports 5060-5061 (UDP), 53-53 (UDP),
69-69 (UDP), and 10000-20000 (UDP) are forwarded to the IP address of the Phone Adapter.
Before you set up port forwarding on your router, change two of the Phone Adapter’s settings using its
Interactive Voice Response Menu. First, disable its DHCP feature, then assign a static IP address to the
Phone Adapter. See “Chapter 4: Using the Interactive Voice Response Menu” for instructions.
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030