[SR-Users] ACK not routed to destination
Wim Van Cauwenbergh
wimvc73 at gmail.com
Fri Dec 16 14:49:07 CET 2016
Thanks for your suggestions! I guess I have been too much involved in B2BUA
that I forgot how a proxy should work. After some digging around in the RFC
I fixed my sipp scripts (for reference herunder) Also the SIP trace.
U 10.57.26.219:5060 -> 10.57.26.220:5060
INVITE sip:service at 10.57.26.220:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 70.
Subject: Performance Test.
Content-Type: application/sdp.
Content-Length: 135.
.
v=0.
o=user1 53655765 2353687637 IN IP4 10.57.26.219.
s=-.
c=IN IP4 10.57.26.219.
t=0 0.
m=audio 6000 RTP/AVP 0.
a=rtpmap:0 PCMU/8000.
#
U 10.57.26.220:5060 -> 10.57.26.219:5060
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Server: kamailio (4.2.0 (x86_64/linux)).
Content-Length: 0.
.
#
U 10.57.26.220:5060 -> 10.57.26.239:5060
INVITE sip:service at 10.57.26.220:5060 SIP/2.0.
Record-Route: <sip:10.57.26.220;lr>.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKd377.9ceee9cba2a2b30026d549ab64abb1f1.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 69.
Subject: Performance Test.
Content-Type: application/sdp.
Content-Length: 135.
.
v=0.
o=user1 53655765 2353687637 IN IP4 10.57.26.219.
s=-.
c=IN IP4 10.57.26.219.
t=0 0.
m=audio 6000 RTP/AVP 0.
a=rtpmap:0 PCMU/8000.
#
U 10.57.26.239:5060 -> 10.57.26.220:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKd377.9ceee9cba2a2b30026d549ab64abb1f1.0,
SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
#
U 10.57.26.239:5060 -> 10.57.26.220:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKd377.9ceee9cba2a2b30026d549ab64abb1f1.0,
SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
Record-Route: <sip:10.57.26.220;lr>.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Type: application/sdp.
Content-Length: 135.
.
v=0.
o=user1 53655765 2353687637 IN IP4 10.57.26.239.
s=-.
c=IN IP4 10.57.26.239.
t=0 0.
m=audio 6000 RTP/AVP 0.
a=rtpmap:0 PCMU/8000.
#
U 10.57.26.220:5060 -> 10.57.26.219:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
#
U 10.57.26.220:5060 -> 10.57.26.219:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-0.
Record-Route: <sip:10.57.26.220;lr>.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 INVITE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Type: application/sdp.
Content-Length: 135.
.
v=0.
o=user1 53655765 2353687637 IN IP4 10.57.26.239.
s=-.
c=IN IP4 10.57.26.239.
t=0 0.
m=audio 6000 RTP/AVP 0.
a=rtpmap:0 PCMU/8000.
#
U 10.57.26.219:5060 -> 10.57.26.220:5060
ACK sip:service at 10.57.26.220:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-5.
Route: <sip:10.57.26.220;lr>.
Route: <sip:10.57.26.239:5060;transport=UDP>.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 ACK.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 70.
Subject: Performance Test.
XContactinOK: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
#
U 10.57.26.220:5060 -> 10.57.26.239:5060
ACK sip:10.57.26.239:5060;transport=UDP SIP/2.0.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKd377.617ab2682b59d6f46efa48d3f737eb80.0.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKd377.b2a7497aae5192ea12836223b6f311a4.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-5.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 1 ACK.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 68.
Subject: Performance Test.
XContactinOK: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
#
U 10.57.26.219:5060 -> 10.57.26.220:5060
BYE sip:service at 10.57.26.220:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-7.
Route: <sip:10.57.26.220;lr>.
Route: <sip:10.57.26.239:5060;transport=UDP>.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 2 BYE.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 70.
Subject: Performance Test.
Content-Length: 0.
.
#
U 10.57.26.220:5060 -> 10.57.26.239:5060
BYE sip:10.57.26.239:5060;transport=UDP SIP/2.0.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKa377.b77caac49d952819ae55aa61662a095b.0.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKa377.d1ee5b3c5e388385ec3f050fdd10a7fb.0.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-7.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 2 BYE.
Contact: sip:sipp at 10.57.26.219:5060.
Max-Forwards: 68.
Subject: Performance Test.
Content-Length: 0.
.
#
U 10.57.26.239:5060 -> 10.57.26.220:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKa377.b77caac49d952819ae55aa61662a095b.0,
SIP/2.0/UDP
10.57.26.220;branch=z9hG4bKa377.d1ee5b3c5e388385ec3f050fdd10a7fb.0,
SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-7.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 2 BYE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
#
U 10.57.26.220:5060 -> 10.57.26.219:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-16174-1-7.
From: sipp <sip:sipp at 10.57.26.219:5060>;tag=16174SIPpTag021.
To: sut <sip:service at 10.57.26.220:5060>;tag=15186SIPpTag015.
Call-ID: 1-16174 at 10.57.26.219.
CSeq: 2 BYE.
Contact: <sip:10.57.26.239:5060;transport=UDP>.
Content-Length: 0.
.
SIPP UAC:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE scenario SYSTEM "sipp.dtd">
<!-- This program is free software; you can redistribute it and/or -->
<!-- modify it under the terms of the GNU General Public License as -->
<!-- published by the Free Software Foundation; either version 2 of the -->
<!-- License, or (at your option) any later version. -->
<!-- -->
<!-- This program is distributed in the hope that it will be useful, -->
<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of -->
<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -->
<!-- GNU General Public License for more details. -->
<!-- -->
<!-- You should have received a copy of the GNU General Public License -->
<!-- along with this program; if not, write to the -->
<!-- Free Software Foundation, Inc., -->
<!-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -->
<!-- -->
<!-- Sipp default 'regexp client' scenario. -->
<!-- -->
<scenario name="Client with regexp scenario">
<send retrans="500">
<![CDATA[
INVITE sip:[service]@[remote_ip]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
From: sipp <sip:sipp@
[local_ip]:[local_port]>;tag=[pid]SIPpTag02[call_number]
To: sut <sip:[service]@[remote_ip]:[remote_port]>
Call-ID: [call_id]
CSeq: 1 INVITE
Contact: sip:sipp@[local_ip]:[local_port]
Max-Forwards: 70
Subject: Performance Test
Content-Type: application/sdp
Content-Length: [len]
v=0
o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] [media_ip]
t=0 0
m=audio [media_port] RTP/AVP 0
a=rtpmap:0 PCMU/8000
]]>
</send>
<recv response="100"
optional="true">
</recv>
<recv response="180" optional="true">
</recv>
<recv response="183" optional="true">
</recv>
<recv response="200" start_rtd="true", rrs="true">
<!-- Definition of regexp in the action tag. The regexp must follow -->
<!-- the Posix Extended standard (POSIX 1003.2), see: -->
<!-- -->
<!-- http://www.opengroup.org/onlinepubs/007908799/xbd/re.html -->
<!-- -->
<!-- regexp : Contain the regexp to use for matching the -->
<!-- received message -->
<!-- MANDATORY -->
<!-- search_in : msg (try to match against the entire message) -->
<!-- : hdr (try to match against a specific SIP header -->
<!-- (passed in the header tag) -->
<!-- OPTIONAL - default value : msg -->
<!-- header : Header to try to match against. -->
<!-- Only used when the search_in tag is set to hdr -->
<!-- MANDATORY IF search_in is equal to hdr -->
<!-- check_it : if set to true, the call is marked as failed if -->
<!-- the regexp doesn't match. -->
<!-- OPTIONAL - default value : false -->
<!-- assign_to : contain the variable id (integer) or a list of -->
<!-- variable id which will be used to store the -->
<!-- result of the matching process between the regexp -->
<!-- and the message. This variable can be re-used at -->
<!-- a later time in the scenario using '[$n]' syntax -->
<!-- where n is the variable id. -->
<!-- MANDATORY -->
<action>
<ereg regexp="<(.*)>"
search_in="hdr"
header="Contact:"
check_it="true"
assign_to="6,7"/>
</action>
</recv>
<send>
<![CDATA[
ACK sip:[service]@[remote_ip]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
[routes]
Route: <[$7]>
From: sipp <sip:sipp@
[local_ip]:[local_port]>;tag=[pid]SIPpTag02[call_number]
To: sut <sip:[service]@[remote_ip]:[remote_port]>[peer_tag_param]
Call-ID: [call_id]
CSeq: 1 ACK
Contact: sip:sipp@[local_ip]:[local_port]
Max-Forwards: 70
Subject: Performance Test
XContactinOK: [$6]
Content-Length: 0
]]>
</send>
<!-- This delay can be customized by the -d command-line option -->
<!-- or by adding a 'milliseconds = "value"' option here. -->
<pause milliseconds = "1000"/>
<!-- The 'crlf' option inserts a blank line in the statistics report. -->
<send retrans="500">
<![CDATA[
BYE sip:[service]@[remote_ip]:[remote_port] SIP/2.0
Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
[routes]
Route: <[$7]>
From: sipp <sip:sipp@
[local_ip]:[local_port]>;tag=[pid]SIPpTag02[call_number]
To: sut <sip:[service]@[remote_ip]:[remote_port]>[peer_tag_param]
Call-ID: [call_id]
CSeq: 2 BYE
Contact: sip:sipp@[local_ip]:[local_port]
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0
]]>
</send>
<recv response="200" crlf="true" rtd="true">
</recv>
<!-- definition of the response time repartition table (unit is ms) -->
<ResponseTimeRepartition value="1000, 1040, 1080, 1120, 1160, 1200"/>
<!-- definition of the call length repartition table (unit is ms) -->
<CallLengthRepartition value="1000, 1100, 1200, 1300, 1400"/>
</scenario>
SIPP UAS:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE scenario SYSTEM "sipp.dtd">
<!-- This program is free software; you can redistribute it and/or -->
<!-- modify it under the terms of the GNU General Public License as -->
<!-- published by the Free Software Foundation; either version 2 of the -->
<!-- License, or (at your option) any later version. -->
<!-- -->
<!-- This program is distributed in the hope that it will be useful, -->
<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of -->
<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -->
<!-- GNU General Public License for more details. -->
<!-- -->
<!-- You should have received a copy of the GNU General Public License -->
<!-- along with this program; if not, write to the -->
<!-- Free Software Foundation, Inc., -->
<!-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -->
<!-- -->
<!-- Sipp default 'uas' scenario. -->
<!-- -->
<scenario name="Basic UAS responder">
<!-- By adding rrs="true" (Record Route Sets), the route sets -->
<!-- are saved and used for following messages sent. Useful to test -->
<!-- against stateful SIP proxies/B2BUAs. -->
<recv request="INVITE" crlf="true", rrs="true">
</recv>
<!-- The '[last_*]' keyword is replaced automatically by the -->
<!-- specified header if it was present in the last message received -->
<!-- (except if it was a retransmission). If the header was not -->
<!-- present or if no message has been received, the '[last_*]' -->
<!-- keyword is discarded, and all bytes until the end of the line -->
<!-- are also discarded. -->
<!-- -->
<!-- If the specified header was present several times in the -->
<!-- message, all occurences are concatenated (CRLF separated) -->
<!-- to be used in place of the '[last_*]' keyword. -->
<send>
<![CDATA[
SIP/2.0 180 Ringing
[last_Via:]
[last_From:]
[last_To:];tag=[pid]SIPpTag01[call_number]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0
]]>
</send>
<send retrans="500">
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_Record-route]
[last_From:]
[last_To:];tag=[pid]SIPpTag01[call_number]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Type: application/sdp
Content-Length: [len]
v=0
o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] [media_ip]
t=0 0
m=audio [media_port] RTP/AVP 0
a=rtpmap:0 PCMU/8000
]]>
</send>
<recv request="ACK"
optional="true"
rtd="true"
crlf="true">
</recv>
<recv request="BYE">
</recv>
<send>
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_Record-route]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0
]]>
</send>
<!-- Keep the call open for a while in case the 200 is lost to be -->
<!-- able to retransmit it if we receive the BYE again. -->
<timewait milliseconds="4000"/>
<!-- definition of the response time repartition table (unit is ms) -->
<ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
<!-- definition of the call length repartition table (unit is ms) -->
<CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
</scenario>
On Thu, Dec 15, 2016 at 2:40 PM, Jan Hazenberg <jenus at cyberchaos.nl> wrote:
> Wim,
>
> Looks like your ACK is missing the Route header, since ACK is a new
> transaction kamailio needs to route it based on a preloaded route. When you
> receive the 200OK in sipp you should save the record route set and use it
> in the ACK with the "[routes]" statement.
>
> Take a look at the SIPP docs and search for rrs="true". If you take a
> packet capture on the loopback interface of the kamailio server you will
> probably see that kamailio keeps looping the ACK until the Max-Forwards is
> exhausted.
>
>
>
> Example:
>
> <recv response="200" rtd="true" rrs="true">
> </recv>
>
> <send>
> <![CDATA[
>
> ACK [next_url] SIP/2.0
> Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
> From: sipp <sip:sipp@[field1]>;tag=[pid]SIPpTag00[call_number]
> To: sut <sip:[service]@[field1]>[peer_tag_param]
> Call-ID: [call_id]
> CSeq: 2 ACK
> [routes]
> Contact: sip:[service]@[local_ip]:[local_port]
> Max-Forwards: 70
> Subject: Performance Test
> Content-Length: 0
>
> ]]>
> </send>
>
>
>
> Regards,
>
>
>
> Jan Hazenberg
>
>
>
>
>
> Wim Van Cauwenbergh schreef op 2016-12-15 15:13:
>
> Hi, I have setup kamailio with the dispatcher module and have a problem
> with the ACK in response to 200OK not being forwarded by kamailio:
>
> Scenario is very simple:
> sipp(.219) --> kamailio (.220) --> sipp(.239)
>
> SIP trace:
>
> root at DNS-enum-8Gb-3:/var/log# ngrep -W byline -d eth0 port 5060
> interface: eth0 (10.57.26.0/255.255.255.0)
> filter: (ip or ip6) and ( port 5060 )
> #
> U 10.57.26.219:5060 -> 10.57.26.220:5060
> INVITE sip:service at 10.57.26.220:5060 SIP/2.0.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: sip:sipp at 10.57.26.219:5060.
> Max-Forwards: 70.
> Subject: Performance Test.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.219.
> s=-.
> c=IN IP4 10.57.26.219.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Server: kamailio (4.2.0 (x86_64/linux)).
> Content-Length: 0.
> .
>
> #
> U 10.57.26.220:5060 -> 10.57.26.239:5060
> INVITE sip:service at 10.57.26.220:5060 SIP/2.0.
> Record-Route: <sip:10.57.26.220;lr>.
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.
> 33550a94aa52aef3978cb507902d8aaa.0.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: sip:sipp at 10.57.26.219:5060.
> Max-Forwards: 69.
> Subject: Performance Test.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.219.
> s=-.
> c=IN IP4 10.57.26.219.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.239:5060 -> 10.57.26.220:5060
> SIP/2.0 180 Ringing.
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.
> 33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=
> z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Length: 0.
> .
>
> #
> U 10.57.26.239:5060 -> 10.57.26.220:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.
> 33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=
> z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 180 Ringing.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Length: 0.
> .
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.219:5060 -> 10.57.26.220:5060
> ACK sip:10.57.26.239:5060;transport=UDP SIP/2.0.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-5.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 ACK.
> Contact: sip:sipp at 10.57.26.219:5060.
> Max-Forwards: 70.
> Subject: Performance Test.
> XContactinOK: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Length: 0.
> .
>
> #
> U 10.57.26.239:5060 -> 10.57.26.220:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.
> 33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=
> z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> *U 10.57.26.219:5060 <http://10.57.26.219:5060> -> 10.57.26.220:5060
> <http://10.57.26.220:5060>*
> *ACK sip:10.57.26.239:5060 <http://10.57.26.239:5060>;transport=UDP
> SIP/2.0.*
> *Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-5.*
> *From: sipp <sip:sipp at 10.57.26.219:5060
> <http://sip:sipp@10.57.26.219:5060>>;tag=15698SIPpTag021.*
> *To: sut <sip:service at 10.57.26.220:5060
> <http://sip:service@10.57.26.220:5060>>;tag=14783SIPpTag018.*
> *Call-ID: 1-15698 at 10.57.26.219 <1-15698 at 10.57.26.219>.*
> *CSeq: 1 ACK.*
> *Contact: sip:sipp at 10.57.26.219:5060 <http://sip:sipp@10.57.26.219:5060>.*
> *Max-Forwards: 70.*
> *Subject: Performance Test.*
> *XContactinOK: <sip:10.57.26.239:5060
> <http://10.57.26.239:5060>;transport=UDP>.*
> *Content-Length: 0.*
> .
>
> #
> U 10.57.26.219:5060 -> 10.57.26.220:5060
> BYE sip:10.57.26.239:5060;transport=UDP SIP/2.0.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-7.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 2 BYE.
> Contact: sip:sipp at 10.57.26.219:5060.
> Max-Forwards: 70.
> Subject: Performance Test.
> Content-Length: 0.
> .
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 404 Not here.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-7.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 2 BYE.
> Server: kamailio (4.2.0 (x86_64/linux)).
> Content-Length: 0.
> .
>
> #
> U 10.57.26.219:5060 -> 10.57.26.220:5060
> BYE sip:service at 10.57.26.220:5060 SIP/2.0.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1--1.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 3 BYE.
> Max-Forwards: 70.
> Contact: <sip:sipp at 10.57.26.219:5060;transport=UDP>.
> Content-Length: 0.
> .
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 404 Not here.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1--1.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 3 BYE.
> Server: kamailio (4.2.0 (x86_64/linux)).
> Content-Length: 0.
> .
>
> #
> U 10.57.26.239:5060 -> 10.57.26.220:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.
> 33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=
> z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
> #
> U 10.57.26.220:5060 -> 10.57.26.219:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0.
> From: sipp <sip:sipp at 10.57.26.219:5060>;tag=15698SIPpTag021.
> To: sut <sip:service at 10.57.26.220:5060>;tag=14783SIPpTag018.
> Call-ID: 1-15698 at 10.57.26.219.
> CSeq: 1 INVITE.
> Contact: <sip:10.57.26.239:5060;transport=UDP>.
> Content-Type: application/sdp.
> Content-Length: 135.
> .
> v=0.
> o=user1 53655765 2353687637 IN IP4 10.57.26.239.
> s=-.
> c=IN IP4 10.57.26.239.
> t=0 0.
> m=audio 6000 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
>
>
> *kamailio.conf:*
>
> # ----- mi_fifo params -----
> modparam("mi_fifo", "fifo_name", "/var/run/kamailio/kamailio_fifo")
> modparam("ctl", "binrpc", "unix:/var/run/kamailio/kamailio_ctl")
>
> # ----- rr params -----
> # add value to ;lr param to cope with most of the UAs
> modparam("rr", "enable_full_lr", 0)
> # do not append from tag to the RR (no need for this script)
> modparam("rr", "append_fromtag", 0)
>
>
> # ----- acc params -----
> modparam("acc", "log_flag", 1)
> modparam("acc", "failed_transaction_flag", 3)
> modparam("acc", "log_extra",
> "src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;
> dst_domain=$rd;src_ip=$si")
>
> # ----- tm params -----
> modparam("tm", "fr_timer", 2000)
> modparam("tm", "fr_inv_timer", 40000)
>
> # ----- dispatcher params -----
> #modparam("dispatcher", "db_url",
> # "mysql://openser:openserro@localhost/openser")
> modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list")
> modparam("dispatcher", "table_name", "dispatcher")
> modparam("dispatcher", "flags", 2)
> modparam("dispatcher", "dst_avp", "$avp(AVP_DST)")
> modparam("dispatcher", "grp_avp", "$avp(AVP_GRP)")
> modparam("dispatcher", "cnt_avp", "$avp(AVP_CNT)")
>
> ####### Routing Logic ########
>
>
> # main request routing logic
>
> route {
>
> # per request initial checks
> route(REQINIT);
>
> # handle requests within SIP dialogs
> route(WITHINDLG);
>
> ### only initial requests (no To tag)
>
> # CANCEL processing
> if (is_method("CANCEL"))
> {
> if (t_check_trans())
> t_relay();
> exit;
> }
>
> t_check_trans();
>
> # record routing for dialog forming requests (in case they are routed)
> # - remove preloaded route headers
> remove_hf("Route");
> if (is_method("INVITE|SUBSCRIBE"))
> record_route();
>
> # account only INVITEs
> if (is_method("INVITE"))
> {
> setflag(1); # do accounting
> }
>
> # handle presence related requests
> route(PRESENCE);
>
> # handle registrations
> route(REGISTRAR);
>
> if ($rU==$null)
> {
> # request with no Username in RURI
> sl_send_reply("484","Address Incomplete");
> exit;
> }
>
> # dispatch destinations
> route(DISPATCH);
>
> route(RELAY);
> }
>
>
> route[RELAY] {
> if (!t_relay()) {
> sl_reply_error();
> }
> exit;
> }
>
> # Per SIP request initial checks
> route[REQINIT] {
> if (!mf_process_maxfwd_header("15")) {
> sl_send_reply("483","Too Many Hops");
> exit;
> }
>
> # 1= only check the header RURI, 1126 checks some other general stuff
> if(!sanity_check("1126", "1"))
> {
> xlog("Malformed SIP message from $si:$sp\n");
> exit;
> }
> }
>
> # Handle requests within SIP dialogs
> route[WITHINDLG] {
> if (has_totag()) {
> # sequential request withing a dialog should
> # take the path determined by record-routing
> xlog("#######WITHINDLG:hastotag $si:$sp\n");
> if (loose_route()) {
> xlog("#######WITHINDLG:looseroute $si:$sp\n");
> if (is_method("BYE")) {
> setflag(1); # do accounting ...
> setflag(3); # ... even if the transaction fails
> }
> route(RELAY);
> } else {
> if (is_method("SUBSCRIBE") && uri == myself) {
> # in-dialog subscribe requests
> route(PRESENCE);
> exit;
> }
> if ( is_method("ACK") ) {
> if ( t_check_trans() ) {
> xlog("#######WITHINDLG:ACK transaction found $si:$sp\n");
> # non loose-route, but stateful ACK;
> # must be ACK after a 487 or e.g. 404 from upstream server
> t_relay();
> exit;
> } else {
> # ACK without matching transaction ... ignore and discard.
> xlog("#######WITHINDLG:ACK no transaction found so discard $si:$sp\n");
> exit;
> }
> }
> sl_send_reply("404","Not here");
> }
> exit;
> }
> }
>
>
> Debug:
>
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:623]: parse_msg(): SIP Request:
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:625]: parse_msg(): method: <ACK>
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:627]: parse_msg(): uri: <sip:10.57.26.239:5060;
> transport=UDP>
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:629]: parse_msg(): version: <SIP/2.0>
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232,
> <branch> = <z9hG4bK-15698-1-5>; state=16
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found,
> flags=2
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the
> first via
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [receive.c:154]: receive_msg(): After parse_msg...
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [receive.c:197]: receive_msg(): preparing to run routing scripts...
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: sl
> [sl_funcs.c:412]: sl_filter_ACK(): DEBUG : sl_filter_ACK: to late to be a
> local ACK!
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param:
> tag=14783SIPpTag018
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/parse_addr_spec.c:898]: parse_addr_spec(): end of header reached,
> state=29
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:190]: get_hdr_field(): DEBUG: get_hdr_field: <To>
> [57]; uri=[sip:service at 10.57.26.220:5060]
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:192]: get_hdr_field(): DEBUG: to body [sut <
> sip:service at 10.57.26.220:5060>]
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <1>
> <ACK>
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: maxfwd
> [mf_funcs.c:85]: is_maxfwd_present(): value = 70
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: sanity
> [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: siputils
> [checks.c:106]: has_totag(): totag found
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) ERROR: <script>:
> #######WITHINDLG:hastotag 10.57.26.219:5060
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body :
> content_length=0
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [parser/msg_parser.c:106]: get_hdr_field(): found end of header
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: rr
> [loose.c:113]: find_first_route(): No Route headers found
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: rr
> [loose.c:929]: loose_route(): There is no Route HF
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm
> [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=9 global id=8
> T start=(nil)
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm
> [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching:
> hash=53919, isACK=1
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm
> [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching
> failed
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm
> [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no
> transaction found
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm
> [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=9 global id=9
> T end=(nil)
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) ERROR: <script>:
> #######WITHINDLG:ACK no transaction found so discard 10.57.26.219:5060
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core>
> [usr_avp.c:643]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying
> list (nil)
>
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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>
>
> _______________________________________________
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