16 Sep
2020
16 Sep
'20
11:47 p.m.
Thanks @miconda, here you go.
```
####### Global Parameters #########
debug = 2
log_stderror = no
log_facility = LOG_LOCAL6
listen = eth0
####### Modules Section ########
# mpath="/usr/lib64/kamailio/modules/"
loadmodule "kex.so"
loadmodule "corex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "maxfwd.so"
loadmodule "textops.so"
loadmodule "siputils.so"
loadmodule "xlog.so"
loadmodule "sanity.so"
loadmodule "ctl.so"
loadmodule "debugger.so"
loadmodule "htable.so"
# ----- tm params -----
modparam("tm", "failure_reply_mode", 3)
modparam("tm", "remap_503_500", 0)
modparam("tm", "contacts_avp", "tm_contacts")
modparam("tm", "contact_flows_avp", "tm_contact_flows")
# ----- rr params -----
modparam("rr", "enable_full_lr", 0)
modparam("rr", "append_fromtag", 1)
# ----- htable params -----
modparam("htable", "htable", "gateways=>size=4")
request_route
{
if (!is_method("ACK")) {
if(t_precheck_trans()) {
t_check_trans();
exit;
}
t_check_trans();
}
if (!sanity_check("1535", "7")) {
exit;
}
if ( msg:len >= 8192 ) {
send_reply("513", "Message too big");
exit;
}
if (!mf_process_maxfwd_header("10")) {
send_reply("483", "Too Many Hops");
exit;
}
if (is_method("OPTIONS")) {
send_reply("200","OK");
exit;
}
if (has_totag()) {
if (is_method("INVITE")) {
record_route();
}
if (loose_route()) {
route(RELAY);
}
if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
send_reply("481", "Call Leg/Transaction Does Not Exist");
exit;
}
if (is_method("CANCEL")) {
if (t_check_trans()) {
route(RELAY);
} else {
send_reply("481", "Call leg/transaction does not exist");
}
exit;
} else if (is_method("ACK")) {
if (t_check_trans()) {
route(RELAY);
}
exit;
}
remove_hf("Route");
record_route();
$var(i) = 1;
while ($var(i) < 10) {
$sht(gateways=>$var(i)) = "host=" +
$_s($var(i).$var(i).$var(i).$var(i)) + ";priority=" + $var(i);
xlog ("==== Storing: $sht(gateways=>$var(i))\n");
$var(i) = $var(i) + 1;
}
sht_iterator_start("i", "gateways");
while(sht_iterator_next("i")) {
append_branch("sip:$rU@$(shtitval(i){param.value,host})",
"$_s(0.$(shtitval(i){param.value,priority}))");
}
sht_iterator_end("i");
t_load_contacts();
xlog ("Route order:\n");
while (t_next_contacts()) {
xlog ("==== $rd\n");
}
route(RELAY);
}
route[RELAY] {
xlog ("L_INFO", "Routing to $rd/$du\n");
t_on_failure("OB_FAILURE");
if (!t_relay()) {
sl_reply_error();
}
exit;
}
failure_route[OB_FAILURE] {
if (t_is_canceled()) {
xlog("L_INFO", "Transaction cancelled\n");
exit;
}
if (!t_next_contacts() && $ru==$ou) {
send_reply("503", "Service Unavailable");
exit;
}
t_on_failure("OB_FAILURE");
route(RELAY);
exit;
}
```
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