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Wireless-G IP Phone
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Appendix A: Troubleshooting
Common Problems and Solutions
6. Select the protocol you will be using, UDP.
7. Enter the IP address of the IP Phone. For example, if the IP Phone’s IP address is 192.168.1.100, you
would enter 100 in the field provided.
8. Repeat steps 5-7 until you have entered all four port ranges for the IP Phone.
9. Check the Enable option for the port services you want to use.
10. When you have completed the configuration, click the Save Settings button.
3. When I’m on a telephone call, words are dropped intermittently.
Go through this checklist until your problem is solved:
• Are you using a wireless router and cordless phone? If so, the router and cordless phone may be using
the same frequency and interfere with each other. Move the cordless phone farther away from the
router.
• There may be heavy network activity, particularly if you are running a server or using a file sharing
program. Try to limit network or Internet activity during any Internet telephone call. For example, if you
are running a file sharing program, files may be uploading in the background even though you are not
downloading any files, so make sure you exit the program before you make an Internet phone call.
Application Start and End Protocol IP Address Enable
Internet phone 1 5060 to 5061 UDP (IP address of IP Phone) X
Internet phone 2 53 to 53 UDP (IP address of IP Phone) X
Internet phone 3 69 to 69 UDP (IP address of IP Phone) X
Internet phone 4 10000 to 20000 UDP (IP address of IP Phone) X