ICS and VoIP gateway - TechRepublic
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July 10, 2008 at 12:48 PM
dhopkins

ICS and VoIP gateway

by dhopkins . Updated 17 years, 6 months ago

OK guys, I think I have the puzzle of the day here. On the surface it sounds quite simple but everything I have tried just will not work.

First the goal. I live in a very rual area and the only type of broadband available is cellular. so I subscribed to sprint evdo and got the Novatel Ovation U747 aircard. It has a USB connection to the computer and the card works great. I have great speeds and low latency. Next I set up an internet connection sharing on a winxp box and then connected to a linksys router mod# BEFSX41. I was able to set up the ICS and it works fine as well. I can see the other computer and surf the web from both machines. Now, I want to get a VoIP telephone service so I called phone power and had them send me a gateway. I plugged the gateway into the connection between the ICS host and the router. Everything still works EXCEPT the gateway. I can access the router from the ICS slave. I can access the gateway from the ICS slave. When i do this I see that the WAN IP for the gateway is 192.168.0.XXX, a local IP. I tried to disable DHCP on the router to no avail, and because of the Zero in the thirs string of the WAN IP I have to think that the IP is being assigned by the ICS host.(Dosen’t turning on ICS make your host a DHCP server and local addresses begin with 192.168.0.xxx?) Anyway I called phone power and they said that I couldn’t use ICS because it didn’t provide a outfacing IP for the VoIP device. can anyone help me with this? Ive been working on this over 24 hours and I’m getting frustrated. Thanks in advance!

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