Hello, I am behind a NAT firewall where I do not have control over port-forwarding. I have tried changing the port numbers and specifying the interface. Every time, no matter how I set the published address and ports, SFLphone sends my private 192.168.20.x IP as the Contact-URI instead of the IP specified in the settings.
If I use STUN, it sends the correct Contact-URI address, but with a random port that does not match the port specified for the interface, thus it does not get through the firewall. I have been using SFLphone for the last six months, but the only way I can make it work is by using a second NIC attached to the SIP network in my office. But even then, it doesn't always register because it will sometimes send the 192.168.20.x IP of my internet NIC instead of the 192.168.1.x IP of my VoIP NIC. I know that pjsip uses the port numbers to track connections, but I've tried changing the port numbers to no avail. The Contact-URI is always sent as the private IP of my primary adapter (em1). This is on Fedora 17, if that matters. Does anyone have any suggestions that might help me out? Cheers! Ian P
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