4 Jul
2016
4 Jul
'16
4:38 p.m.
Hello,
in the new email, the t_load_contacts() and drop are commented.
Is it how you have them in the config or again some formatting issue?
Cheers,
Daniel
On 04/07/16 15:13, John Petrini wrote:
Hi Daniel,
I made a mistake with my formatting when I pasted here. I am calling
append_branch() before t_load_contacts. I've attached a view of the
entire route including where I was using drop; below. Also a packet
capture that shows Kamailio forwarding the reply from the cnam
provider back to the phone. I've discovered t_cancel_branches("this")
and that seems to be doing the job of killing the second branch as
well as the reply to the phone.
My main issue right now is serializing the branches, append_branch
creates an additional branch but t_load_contacts fails. I've tried
appending multiple branches and also using seturi to replicate the
documentation as closely as possible with no luck.
route[CNAM_DIPS] {
if ($avp(direction) == "in") {
t_on_branch("CNAM_DIPS");
t_on_reply("CNAM_DIPS");
t_on_failure("CNAM_DIPS");
$var(reply_count) = 0;
append_branch("sip:8888888888
<tel:2152974400>@222.22.222.22:5060;trans-type=5", "0.5");
#t_load_contacts();
t_next_contacts();
t_relay();
break;
}
}
branch_route[CNAM_DIPS] {
$var(modified_from) = "sip:" + $fU + "(a)sip.core.com
<http://sip.core.com/>";
uac_replace_from("$var(modified_from)");
}
onreply_route[CNAM_DIPS] {
$var(reply_count) = $var(reply_count) + 1;
if (t_check_status("380")) {
$avp(cnam) = $(hdr(P-Asserted-Identity){nameaddr.name
<http://nameaddr.name/>});
} else {
xlog("L_ERROR", "INFO: Received bad reply
(on_reply_route[CNAM_DIPS]):");
};
if ($var(reply_count) = 1) {
t_cancel_branches("this");
}
#drop;
}
failure_route[CNAM_DIPS] {
if (!t_next_contacts()) {
xlog("L_ERR", "ERROR: Gateway failure (failure_route[CNAM_DIPS]):
Failed to ship call");
exit;
} else {
t_next_contacts();
t_relay();
};
}
Packet capture using drop in the on_reply route rather than
t_cancel_branches("this"):
U 2016/07/04 08:46:41.223295 44.444.4.444:5060 -> 333.33.33.3:5060
INVITE sip:+12222222222@core.com:5060
<http://sip:+12222222222@core.com:5060> SIP/2.0.
Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
From: "UNKNOWN"
<sip:+13333333333@44.444.4.444;isup-oli=62>;tag=gK046fcff6.
To: <sip:2222222222@core.com <mailto:sip%3A2222222222@core.com>>.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 INVITE.
Max-Forwards: 70.
Allow: INVITE,ACK,CANCEL,BYE,OPTIONS.
Accept: application/sdp.
Contact: "UNKNOWN" <sip:+13333333333@44.444.4.444:5060>.
P-Asserted-Identity: "UNKNOWN" <sip:+13333333333@44.444.4.444:5060>.
Supported: replaces.
Content-Length: 281.
Content-Disposition: session; handling=required.
Content-Type: application/sdp.
.
v=0.
o=Sonus_UAC 807784 731434 IN IP4 44.444.4.444.
s=SIP Media Capabilities.
c=IN IP4 55.555.5.55.
t=0 0.
m=audio 54018 RTP/AVP 0 18 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.
a=ptime:20.
U 2016/07/04 08:46:41.230033 333.33.33.3:5060 -> 44.444.4.444:5060
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
From: "UNKNOWN"
<sip:+13333333333@44.444.4.444;isup-oli=62>;tag=gK046fcff6.
To: <sip:2222222222@core.com <mailto:sip%3A2222222222@core.com>>.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 INVITE.
Server: kamailio (4.2.7 (x86_64/linux)).
Content-Length: 0.
.
U 2016/07/04 08:46:41.234143 333.33.33.3:5060 -> 222.22.222.22:5060
<http://222.22.222.22:5060>
INVITE sip:8888888888@222.22.222.22:5060;trans-type=5 SIP/2.0.
Record-Route:
<sip:333.33.33.3;lr;ftag=gK046fcff6;vsf=AAAAAAAAAAAAAAAAAAAAAABFXl4cUF5cXABSXl87aXN1cC1vbGk9NjI->.
Via: SIP/2.0/UDP
333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
From: "UNKNOWN" <sip:+13333333333@sip.core.com
<mailto:sip%3A%2B13333333333@sip.core.com>>;tag=gK046fcff6.
To: <sip:2222222222@core.com <mailto:sip%3A2222222222@core.com>>.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 INVITE.
Max-Forwards: 69.
Allow: INVITE,ACK,CANCEL,BYE,OPTIONS.
Accept: application/sdp.
Contact: "UNKNOWN" <sip:+13333333333@44.444.4.444:5060>.
P-Asserted-Identity: "UNKNOWN" <sip:+13333333333@44.444.4.444:5060>.
Supported: replaces.
Content-Length: 281.
Content-Disposition: session; handling=required.
Content-Type: application/sdp.
P-hint: branch_route CNAM_DIPS.
.
v=0.
o=Sonus_UAC 807784 731434 IN IP4 44.444.4.444.
s=SIP Media Capabilities.
c=IN IP4 55.555.5.55.
t=0 0.
m=audio 54018 RTP/AVP 0 18 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.
a=ptime:20.
U 2016/07/04 08:46:41.367868 222.22.222.22:5060
<http://222.22.222.22:5060> -> 333.33.33.3:5060
SIP/2.0 380 cnam lookup.
Via: SIP/2.0/UDP
333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
From: "UNKNOWN" <sip:+13333333333@sip.core.com
<mailto:sip%3A%2B13333333333@sip.core.com>>;tag=gK046fcff6.
To: <sip:2222222222@core.com
<mailto:sip%3A2222222222@core.com>>;tag=CNAM-16688-1467636671937.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 INVITE.
Contact: "CNAM" <sip:cnam_gw@10.212.16.30
<mailto:sip%3Acnam_gw@10.212.16.30>>; transport=udp.
Max-Forwards: 10.
P-Asserted-Identity: "Unavailable" <sip:+13333333333@sip.core.com
<mailto:sip%3A%2B13333333333@sip.core.com>>.
Content-Length: 0.
.
U 2016/07/04 08:46:41.368421 333.33.33.3:5060 -> 222.22.222.22:5060
<http://222.22.222.22:5060>
ACK sip:8888888888@222.22.222.22:5060;trans-type=5 SIP/2.0.
Via: SIP/2.0/UDP
333.33.33.3;branch=z9hG4bK8ac3.daa229dcb24f16332fa5a21927e9a72f.0.
From: "UNKNOWN" <sip:+13333333333@sip.core.com
<mailto:sip%3A%2B13333333333@sip.core.com>>;tag=gK046fcff6.
To: <sip:2222222222@core.com
<mailto:sip%3A2222222222@core.com>>;tag=CNAM-16688-1467636671937.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 ACK.
Max-Forwards: 69.
Content-Length: 0.
.
U 2016/07/04 08:46:44.227076 333.33.33.3:5060 -> 44.444.4.444:5060
SIP/2.0 380 cnam lookup.
Via: SIP/2.0/UDP 44.444.4.444:5060;branch=z9hG4bK04Bef9112d99372eace.
From: "UNKNOWN"
<sip:+13333333333@44.444.4.444;isup-oli=62>;tag=gK046fcff6.
To: <sip:2222222222@core.com
<mailto:sip%3A2222222222@core.com>>;tag=CNAM-16688-1467636671937.
Call-ID: 1698991986_66771899(a)44.444.4.444.
CSeq: 468700 INVITE.
Contact: "CNAM" <sip:cnam_gw@10.212.16.30
<mailto:sip%3Acnam_gw@10.212.16.30>>; transport=udp.
Max-Forwards: 10.
P-Asserted-Identity: "Unavailable" <sip:+13333333333@sip.core.com
<mailto:sip%3A%2B13333333333@sip.core.com>>.
Content-Length: 0.
P-hint: onreply CNAM_DIPS.
.
___
John Petrini
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