Greetings,

I might be missing the obvious, but I need a fresh head to help me out. I have a SER server setting behind the ISP firewall with NAT, and I have my UA (Cisco ATA 186 v1.14) behind my Linux iptables with NAT (firewall).

REGISTER messages keep going out to the SER, but my ngrep does not show any messages attempted back from the SER. It almost looks like as if SER is not even running, but it is.

In my local LAN, I do have another Redhat 9.0 running SER with a local IP, so my UA is not crossing a fiewall to get to the SER, and everything works fine.

My ser.cfg is setup identical on both local and the remote SER servers.

Any ideas as to what it is that I might be missing?

MS

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