HI,
I fix the ACK reply using the below code for topology hiding scenario and
setting an ACK timeout
if (is_method("ACK")){
$avp(timeout2) = 3540;
}
if(match_dialog()) {
xlog("L_INFO", "<<<<< in-dialog
topology hiding request - $DLG_dir >>>>> \n");
if (check_route_param("nat=yes")) {
setflag(5);
setbflag(6);
}
if ( is_method("INVITE")) {
$avp(timeout2) = 3;
} else if (is_method("ACK")) {
$avp(timeout2) = 3540;
}
route(1);
exit;
}
}
route[1] {
if (subst_uri('/(sip:.*);nat=yes/\1/')) {
setbflag(6);
}
if (isflagset(5)) {
search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
}
onreply_route[2] {
search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
if (isbflagset(6)) {
fix_nated_contact();
};
Etc.
if ($rU=~"^.") {
if (!do_routing("$avp(Cusid)","FW")) {
send_reply("404","No PSTN Route
found");
exit;
}
failure_route[1] {
if( t_check_status("[4-6][0-9][0-9]")){
xlog("L_INFO", "--Debug Customer
ID:$avp(Cusid)/IP:$rd-----$si Reply: $T_reply_code#######13\n");
xlog("L_INFO", "##########==========End of invite
ID:$avp(Cusid)/IP:$rd###############\n");
if (!t_check_status("487")) {
route(6);
}
route[6] {
if (is_avp_set("$avp(rule_attrs)")) {
if($avp(rule_attrs)=="1"){
xlog("L_INFO", "--Debug Customer ID:$avp(Cusid)/IP:$si-----Sticky Route\n");
}else{
if ( use_next_gw() ) {
$var(prefix) = $(avp(gw_attrs){csv.value,1});
$rU = $var(prefix) + $avp(dst);
xlog("L_INFO", "--Debug Customer
ID:$avp(Cusid)/IP:$si-----Calling number to Next Provier $rU\n");
setflag(26); #Missed calls
xlog("L_INFO", "--Debug Customer
ID:$avp(Cusid)/GW-IP:$si-----Trunk Name:$avp(gw_id)\n");
t_on_failure("1");
t_relay();
exit;
}
}
}
But what I can see now and as you can check in the capture attached ,that
opensips IP (5.104.224.33) send the ACK to 1st failed route replying to the
200 OK instead of the second route which sends the 200 ok and the call
connected through .
Please advice
Khaled Chehab
Senior NGN Engineer
Description: icucall
Operations Office - Lebanon
Office : +961 1 515155 ext 300
Mobile : +961 3 045212
E-mail : [email protected]
MSN ID :[email protected]
Skype : k_chehab
Web Site: http://www.icucall.com
http://www.allohi.com
<<image001.png>>
bad ACK reply.pcap.gz
Description: Binary data
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