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Appendix - 1
Appendix
Troubleshooting Tips
This section contains possible solutions to problems regarding the installation
of the V
2
IU 4350.
I am having trouble reaching the Internet through the 4350.
We recommend connecting a PC directly (or via a switch) to the LAN port of
the 4350. The default LAN IP address of the 4350 is 192.168.1.1 so please be
sure that the IP address of the PC is on the same network (such as 192.168.1.2).
Once you have connected please verify that the IP configuration information
in the Network page is correct. Some other items to try:
• Ping the WAN interface of the 4350 from the attached PC
• Ping the DNS server for your network. Sometimes connectivity problems
occur when the domain name being used cannot be mapped to the proper
IP address.
• Ping a well known address on the Internet.
• Ping the IP address of the remote softswitch or IP PBX.
I do not receive dial tone when going “off hook” or my phone will not register
with the softswitch/IP PBX.
• Verify the configurations on the VoIP ALG page.
• Check that the ALG registration code is configured.
1. Select System.
2. Select registration code.
• Attempt to ping the softswitch using the ping tool in the web GUI.
3. Select System.
4. Select System Overview.