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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>FYI, I have just moved the High Availability and keepalived pages to Confluence.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="https://freeswitch.org/confluence/display/FREESWITCH/High+Availability">https://freeswitch.org/confluence/display/FREESWITCH/High+Availability</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bote<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Sergey Safarov<br><b>Sent:</b> Wednesday, 25 February, 2015 02:08<br><b>Subject:</b> Re: [Freeswitch-users] server to NAT'd server gateways<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>1) Create VPN connection betwen Sip_B (client) and Sip_A (server);<o:p></o:p></p><div><p class=MsoNormal>2) On VPN interface configure static IP address;<o:p></o:p></p></div><div><p class=MsoNormal>3) Configure station on Sip_B and gateway on Sib_A;<o:p></o:p></p></div><div><p class=MsoNormal>4) Route call from Sip_A to Sip_B like you has configured routing call Sip_B to Sip_A;<o:p></o:p></p></div><div><p class=MsoNormal>5) To allow FS listen on VPN IP when VPN connection is down cconfigure sysctl variable "net.ipv4.ip_nonlocal_bind = 1"<o:p></o:p></p></div><div><p class=MsoNormal><a href="https://wiki.freeswitch.org/wiki/Freeswitch_HA">https://wiki.freeswitch.org/wiki/Freeswitch_HA</a><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Feb 25, 2015 at 5:37 AM, Robert Oldham <<a href="mailto:robert@oldhamtechnology.com" target="_blank">robert@oldhamtechnology.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>I have two FreeSWITCH servers that I need to gateway calls between.<br>Sip_A is on a public network with a static IP address. Sip_B is on a<br>private network that is NAT'd. I am trying to pass calls from devices<br>connected to Sip_B, through Sip_A and on to another server. I am also<br>trying to pass calls from Sip_A into Sip_B. I don't have access to the<br>firewall at the location of Sip_B so I am not able to forward standard<br>ports into Sip_B.<br><br>I am fairly new to FreeSWITCH, so I'm not certain how to solve this<br>problem well. Many of the documents I have read online recommend using<br>ACLs and port forwards for this. However, the private network does not<br>have a static IP address that I can give access to and, as mentioned, I<br>cannot make port forwards. Instead, I have created an extension on Sip_A<br>and a gateway on Sip_B that registers using the extension on Sip_A. That<br>works fine for passing calls from Sip_B through Sip_A and on. Sip_B has<br>been maintaining a registered connection to Sip_A through the NAT'd<br>connection for several days now without trouble.<br><br>Not knowing a better solution, I have been searching for a gateway<br>configuration on Sip_A that would allow it to route calls back over the<br>registered extension from Sip_B. I have not found a way to accomplish it<br>yet. As an alternative, I have also tried without success to create a<br>passive gateway on Sip_A that the gateway on Sip_B could register with.<br><br>Any help is appreciated!<br><br>Thanks,<br>Robert<br><br><br><br>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br><a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br><br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br><a href="http://confluence.freeswitch.org" target="_blank">http://confluence.freeswitch.org</a><br><a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br><br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>