<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="font-family: arial, sans-serif; border-collapse: collapse; font-size: 13px; ">Hello all,<div><br></div><div>I'm looking to implement the following scenario:</div><div><br></div><div>Step 1</div><div>SIP Server A sends INVITE to port 5060 over IPv6 to FreeSwitch:</div><div>2001::1 --udp/tcp--> 2001::2:5060</div><div><br></div><div>Step 2</div><div>FreeSwitch SIP NATs the INVITE and sends it out IPv4 to SIP Server B on port 6000</div><div>1.1.1.1 --udp/tcp--> <a href="http://1.1.1.2:6000/" target="_blank" style="color: rgb(0, 0, 204); ">1.1.1.2:6000</a></div><div><br></div><div>Step 3</div><div><div>All SIP Server B responses within this SIP dialog are sent back to SIP Server A along the same path.</div></div><div><br></div><div>REGISTER messages WILL NOT be processed by FreeSwitch. They are handle elsewhere.</div><div><br></div><div>There is more to this but I want to accomplish this first call flow go from there.</div><div><br></div><div>Is this possible with FreeSwitch? Can someone point me toward a resource on how to get this created?</div><div><br></div><div>The following looks like a good start but it seems it's setup for users to register. I would prefer not to have this.</div><div><br></div><div><a href="http://wiki.freeswitch.org/wiki/SBC_Setup">http://wiki.freeswitch.org/wiki/SBC_Setup</a></div><div><br></div><div>Thanks!</div><div>Joe</div></span></body></html>