Hi!! I load balancing between 2 asterisk,the load_balancer it s done correctly but the calls hangs up after 10 second approximately. My setup is (just with 1 asterisk):
Cisco GW ----(NAT)----> Opensips --------> Asterisk My problem is that opensips never receive the ACK from Cisco GW even if this last one sent it. CISCO logs: ACK sip:911126...@*public ip of asterisk* :5060 SIP/2.0 Route: <sip:*internal ip of opensips* ;lr=on;ftag=F40B44FC-18A6;did=1cd.369d0f26> I think cisco reply ACK to Asterisk through the internal ip of opensips cause opensips did not provide Cisco with his public IP (NAT). Can somebody help me with this?? I heard about fix_nated_contact() but i don't know how and where in my script¿Somebody send me examples ? Thank you very much!! my opensips.cfg: route{ if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","looping"); exit; } if ($rU==NULL) { # request with no Username in RURI sl_send_reply("484","Address Incomplete"); exit; } if (!has_totag()) { # initial request record_route(); } else { # sequential request -> obey Route indication loose_route(); t_relay(); exit; } if ( is_method("CANCEL") ) { if ( t_check_trans() ) t_relay(); exit; } # from now on we have only the initial requests if (!is_method("INVITE")) { send_reply("405","Method Not Allowed"); exit; } # detect resources and do balancing if (method=="INVITE") { load_balance("1","calls"); } # LB function returns negative if no suitable destination (for requested resources) is found, # or if all destinations are full if ($retcode<0) { sl_send_reply("500","Service full"); exit; } xlog("Selected destination is: $du\n"); # send it out if (!t_relay()) { sl_reply_error(); } } ------------------------------ Aviso legal: Este mensaje electrónico está dirigido únicamente a la(s) dirección(es) indicadas anteriormente; el carácter confidencial, personal e intransferible del mismo está protegido legalmente. Cualquier revelación, uso o reenvío no autorizado, completo o en parte, está prohibido. Si ha recibido este mensaje por equivocación, notifíquelo inmediatamente a la persona que lo ha enviado y borre el mensaje original junto con sus ficheros anexos sin leerlo ni grabarlo, total o parcialmente.
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