<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1454242466651_2712" dir="ltr">I have something similar and I use the following architecture:</div><div id="yui_3_16_0_1_1454242466651_2686" dir="ltr"><br></div><div id="yui_3_16_0_1_1454242466651_2687" dir="ltr"><br></div><div id="yui_3_16_0_1_1454242466651_2721" dir="ltr">NGCP-A-------------------------subscribres A</div><div id="yui_3_16_0_1_1454242466651_2777" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2806" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2807" dir="ltr">sip trunk between A and B<br></div><div id="yui_3_16_0_1_1454242466651_2716" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2808" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2838" dir="ltr">NGCP-B-------------------------subscribers B<br></div><div class="" id="yui_3_16_0_1_1454242466651_2777" dir="ltr">|</div><div class="" id="yui_3_16_0_1_1454242466651_2806" dir="ltr">|</div><div class="" id="yui_3_16_0_1_1454242466651_2807" dir="ltr">sip trunk between B and C<br class="" id="yui_3_16_0_1_1454242466651_2813"></div><div class="" id="yui_3_16_0_1_1454242466651_2716" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2717" dir="ltr">NGCP-C-------------------------Subscribers C<br></div><div id="yui_3_16_0_1_1454242466651_2636"></div><div class="" id="yui_3_16_0_1_1454242466651_2777" dir="ltr">|</div><div class="" id="yui_3_16_0_1_1454242466651_2806" dir="ltr">|</div><div class="" id="yui_3_16_0_1_1454242466651_2807" dir="ltr">sip trunk between A and C<br class="" id="yui_3_16_0_1_1454242466651_2855"></div><div class="" id="yui_3_16_0_1_1454242466651_2716" dir="ltr">|</div><div id="yui_3_16_0_1_1454242466651_2862" class="" dir="ltr">NGCP-A-------------------------subscribres A</div><div id="yui_3_16_0_1_1454242466651_2942" class="" dir="ltr"><br></div><div id="yui_3_16_0_1_1454242466651_2943" class="" dir="ltr"><br></div><div id="yui_3_16_0_1_1454242466651_2944" class="" dir="ltr">The only thing in my scenario is that Subscriber A can only register in NGCP A. ...and the same is valid fo B and C</div><div id="yui_3_16_0_1_1454242466651_3079" class="" dir="ltr"><br></div><div id="yui_3_16_0_1_1454242466651_3078" class="" dir="ltr">if this is something that will work for you as well email me for more details how to set it up!</div><div id="yui_3_16_0_1_1454242466651_3225" class="" dir="ltr">Ari.<br></div><div id="yui_3_16_0_1_1454242466651_3033" class="" dir="ltr"><br></div> <div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font face="Arial" size="2"> On Sunday, January 31, 2016 8:06 AM, Gholamreza Sabery <gr.sabery@gmail.com> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv8546388012"><div dir="ltr"><div>I am trying to create a cluster of Kamailio servers. I want users that are registered on one server to be able to contact and call users on other servers. How can I implement this in Kamailio?<br></div><br>PS: My servers are in a private network and I do not have DNS.<br></div></div><br>_______________________________________________<br>SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list<br><a ymailto="mailto:sr-users@lists.sip-router.org" href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><br><a href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><br><br><br></div> </div> </div> </div></div></body></html>