I have the following basic script:
request_route{
record_route();
$var(enumres) = enum_query();
switch( $var(enumres) ) {
case -1:
xlog("enum_query lookup failure - To URI $tU");
sl_reply("503", "Temporary lookup failure");
return(0);
case 1:
break; # uri replaced
}
xlog("INVITE ENUM query - To URI $tU");
t_relay();
I have the following ENUM records for a test setup:
;; ANSWER SECTION:
x.x.x.1.5.1.8.3.0.3.1.e164.arpa. 60 IN NAPTR 100 10 "U" "E2U+sip"
"!^.*$!sip:[email protected]!" .
x.x.x.1.5.1.8.3.0.3.1.e164.arpa. 60 IN NAPTR 110 10 "U" "E2U+sip"
"!^.*$!sip:[email protected]!" .
What happens is the following:
tcpdump: listening on ens3, link-type EN10MB (Ethernet), capture size 262144
bytes
17:57:19.961041 IP (tos 0x10, ttl 64, id 59648, offset 0, flags [none], proto
UDP (17), length 1481)
10.20.20.40.5060 > 10.20.20.198.5060: SIP, length: 1453
INVITE sip:[email protected] SIP/2.0
…
17:57:19.961058 IP (tos 0x10, ttl 64, id 24143, offset 0, flags [none], proto
UDP (17), length 1480)
10.20.20.40.5060 > 10.20.20.75.5060: SIP, length: 1452
INVITE sip:[email protected] SIP/2.0
…
These basically go out at the same time.
Eventually I get a ICMP Port Unreachable on the .198 one because that’s a dummy
I just set up for testing.
My question is, with this kind of setup, is there a way to tell Kamailio to
respect the NAPTR order value (note, 100, 110 above) and only try the 2nd route
if the first fails?
Thanks,
Jawaid
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