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<div class="moz-cite-prefix">Hello,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">I'd have to ask to IT department, to
look into this. What would be the from for that email? Notice I do
receive messages from <a class="moz-txt-link-abbreviated" href="mailto:sr-users-owner@lists.kamailio.org">sr-users-owner@lists.kamailio.org</a>, notifying
my posts need approval, for not being a list-member.<br>
<br>
Best regards,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Lusi<br>
<br>
On 4/8/20 4:54 PM, Daniel-Constantin Mierla wrote:<br>
</div>
<blockquote type="cite" cite="mid:b0e7a251-c317-f92b-eb82-5718b1a522b2@gmail.com">
<p>Hello,</p>
<p>check the spam folder, especially if your email is hosted by
some large/public email provider. Or the email server logs, if
it is selfhosted.</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div class="moz-cite-prefix">On 08.04.20 22:32, Luis Rojas G.
wrote:<br>
</div>
<blockquote type="cite" cite="mid:41f44648-9c4e-6462-cd1e-deac2baa2bde@sixbell.com">
<div class="moz-cite-prefix">Hello, Henning,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">No, I am not a member, and so every
time I sent a message I receive the email with :<br>
<br>
"Your message to sr-users awaits moderator approval"<br>
<br>
I didn't receive any confirmation email or anything at all
related to my subscription request.<br>
<br>
Best regards,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Luis<br>
<br>
On 4/8/20 4:20 PM, Henning Westerholt wrote:<br>
</div>
<blockquote type="cite" cite="mid:VI1PR05MB459023EF06F852CC53986A0FC5C00@VI1PR05MB4590.eurprd05.prod.outlook.com">
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<div class="WordSection1">
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hello Luis,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">I
checked in the mailman checked, you seemed to be not
subscribed to the list. Have you received the
confirmation e-mail and confirmed it?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">This is
the date and time when you tried to subscribe:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">Apr 07
23:08:35 2020 (15775) sr-users: pending Luis Rojas
<luis dot rojas at sixbell dot com> 181.73.XX.XX<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">-- <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning
Westerholt – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fskalatan.de%2Fblog%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534283207&sdata=nEXDRBQcCDLGpr1F1ljONe222cBc%2B%2F3ImrjA9x4FPkY%3D&reserved=0" originalsrc="https://skalatan.de/blog/" shash="CH9JWhe3B40v+lO4EwxSOtrDvlnyky1jQLAeJoM70GkVyGsLQfo475Hbf1MqyDEs6iQY12sjVwi15yrvPy6lIjUKNQnEwnv6mBKZFUznHvywZhvZWc70bEEryJSfTKywdQew4ege2j9YCK/e75GhsYddOBAPz+EHyMoLkKeHEKQ=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://skalatan.de/blog/</span></a></span><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB">Kamailio
services – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgilawa.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534293197&sdata=wdwLQ3uIgs449VCD1JPEv4dWHJE9QF79T4B%2Fze0nVOs%3D&reserved=0" originalsrc="https://gilawa.com/" shash="N7+hEcwLTIoh2ggCOmG5czmP4GRBFtwH1XoNWSxC2zgujmLD0s18ciK/SqNDkNkqKnku1EJ0659DPayhwQni5cWcDS5WMKPPOlQmocOkzI5g3ZK3PBVDTFtuD5mvT44kcOH6x70wdfnc3REdidlBanaTDCkxBt6exJuq6MW9D6Q=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://gilawa.com</span></a></span><span style="mso-fareast-language:EN-US"> <span lang="EN-GB"><o:p></o:p></span></span></p>
</div>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US" lang="EN-GB"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:35.4pt"><b>From:</b>
Luis Rojas G. <a class="moz-txt-link-rfc2396E" href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true"><luis.rojas@sixbell.com></a>
<br>
<b>Sent:</b> Wednesday, April 8, 2020 10:04 PM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:miconda@gmail.com" moz-do-not-send="true">miconda@gmail.com</a>;
Kamailio (SER) - Users Mailing List <a class="moz-txt-link-rfc2396E" href="mailto:sr-users@lists.kamailio.org" moz-do-not-send="true"><sr-users@lists.kamailio.org></a>;
Henning Westerholt <a class="moz-txt-link-rfc2396E" href="mailto:hw@skalatan.de" moz-do-not-send="true"><hw@skalatan.de></a><br>
<b>Subject:</b> Re: [SR-Users] Kamailio propagates 180
and 200 OK OUT OF ORDER<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Hello,
Daniel<br>
<br>
I will try this option.<br>
<br>
I tried the ASYNC, using async_ms_sleep, but it seems
it's not allowed in reply_route(). I wonder why.
Documentation only mentions request_route:<br>
<br>
<a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fkamailio.org%2Fdocs%2Fmodules%2F5.3.x%2Fmodules%2Fasync.html%23async.f.async_ms_sleep&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534293197&sdata=4OuKOdBgiWczJnw0td0AJ%2BbloLlcZqiN0Oqea6ez9SQ%3D&reserved=0" originalsrc="https://kamailio.org/docs/modules/5.3.x/modules/async.html#async.f.async_ms_sleep" shash="yV80M9dGLHxDDio1IaFlGXshbRdnL0xZ1C4K6gQhFZ3MojKtxHodGdpAb6iBDy4Mj1Gl0Tj51wgRcXNupfffECgVdnNf60b1vm+XJbEkNbg36eQ9XX0xIc5zbk3msx6B/DGK489dduX2KL1+MJmtQHpZVtPhVSAT4vdsC0xoVfs=" moz-do-not-send="true">https://kamailio.org/docs/modules/5.3.x/modules/async.html#async.f.async_ms_sleep</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">if I use
it in reply_route() kamailio does not even start.<br>
<span style="font-size:10.0pt;font-family:"Courier
New""><br>
<tt> 0(22147) ERROR: <core> [core/cfg.y:3402]:
yyparse(): misused command async_ms_sleep</tt><br>
<tt> 0(22147) CRITICAL: <core>
[core/cfg.y:3547]: yyerror_at(): parse error in
config file /etc/kamailio/kamailio.cfg, line 221,
column 23: Command cannot be used in the block</tt><br>
<br>
<tt>ERROR: bad config file (1 errors)</tt></span><br>
<br>
I wanted to introduce an artificial delay of just a few
miliseconds to 200 OK to INVITE.<br>
<br>
it's not just a problem about 180 and 200, but several
other conditions that will start to appear, like betwen
ACK-Reinvite.<br>
<br>
Anyone reading is the list administrator? I tried to
subscribe to the list, bit it seems I am still not a
member, so I don't receive answers (unless I am copied
directly) and can't post immediately, only after
moderator's approval.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Also, I
can't answer all responses.<br>
<br>
Best regards,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Luis<br>
<br>
On 4/8/20 1:07 PM, Daniel-Constantin Mierla wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p style="margin-left:35.4pt">Hello,<o:p></o:p></p>
<p style="margin-left:35.4pt">you have to keep in mind
that Kamailio is a SIP packet router, not a telephony
engine. If 180 and 200 replies are part of a call is not
something that Kamailio recognize at its core. Its main
goal is to route out as fast as possible what is
received, by executing the configuration file script.
Now, a matter of your configuration file, processing of
some SIP messages can take longer than processing other.
And the processing is done in parallel, a matter of
children parameter (and tcp_children, sctp_children).<o:p></o:p></p>
<p style="margin-left:35.4pt">With that in mind, a way to
try to cope better with the issue you face is to set
route_locks_size parameter, see:<o:p></o:p></p>
<p style="margin-left:35.4pt"> * <a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.kamailio.org%2Fwiki%2Fcookbooks%2Fdevel%2Fcore%23route_locks_size&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534303196&sdata=7erZ3WkeBup8aeriNyVcc%2FkQSQLWeKUUcUx0Ty2uQp0%3D&reserved=0" originalsrc="https://www.kamailio.org/wiki/cookbooks/devel/core#route_locks_size" shash="kiwJ7KfjpGjOJjJilCaeahb6uqxrUljPxM9G19wrouXWCZ3Reba08f4/UjG8Y9HUtVDxCrgFEDLwX0VXiJqgp4eAfulR7AblUMB3nrZ3B+NjWiWZYBJGSY5+otQfkW5VFIGj/F0LPGJNWi+LX351Ngg+oVFXakvd9LUiuDwwHhA=" moz-do-not-send="true">
https://www.kamailio.org/wiki/cookbooks/devel/core#route_locks_size</a><o:p></o:p></p>
<p style="margin-left:35.4pt">Probably is what you look
for.<o:p></o:p></p>
<p style="margin-left:35.4pt">But if you want more tight
constraints, like when receiving a 180 after a 200ok and
not route it out, you have to make the logic in
configuration file by combining modules such as dialog
or htable (as already suggested).<o:p></o:p></p>
<p style="margin-left:35.4pt">Cheers,<br>
Daniel<o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">On
08.04.20 16:04, Luis Rojas G. wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Hi,
Henning,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">No
need to be ironic. As I mentioned on my first post,
I tried stateful proxy and I observed the same
behavior. <br>
<br>
<i>"I tried using stateful proxy and I obtained the
same result."</i><br>
<br>
The asynchronous sleep seems promising. I will look
into it.<br>
<br>
Thanks,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Luis<br>
<br>
<br>
On 4/8/20 9:30 AM, Henning Westerholt wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US">Hi Luis,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">I
see. Well, you want to use Kamailio as a stateless
proxy, on the other hand it should do things that
are inherently stateful. </span><span style="font-family:"Segoe UI
Emoji",sans-serif" lang="EN-GB">😉</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">As
mentioned, have a look to the dialog module to
track the state of dialogs that you process. This
will not work in a stateless mode, though. </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">You
can also use the htable module to just store some
data about the processed messages in a shared
memory table and use this to enforce your
ordering. There is also the option to do an
asynchronous sleep (with the async) module on the
message that you want to delay but still
processing other messages during it.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Cheers,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">--
</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning
Westerholt – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fskalatan.de%2Fblog%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534313186&sdata=DQ49A2ttIOZMqKcs5q%2BFcaqEzUJBFev%2FsKfFSbctKvg%3D&reserved=0" originalsrc="https://skalatan.de/blog/" shash="au+1UFvL5WmPzH+MBw/nWUuy8L0GetHOyEgWsBvAJ/TKBPJqfefinAINFfcYzsPonWrl5XSnV8KQ/0uLDCiS7/BeObHXSS+iJIW9CXge+j9bRd3ScZazbcFfpDcnk+T9C/mP2Izmaxh2z1XBuycfs/1Q899SorqKmJC4lAnaTS4=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://skalatan.de/blog/</span></a></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Kamailio
services – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgilawa.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534313186&sdata=MooHgSRmMmruaIOAziP93d4IObqg%2FNGolH9GvFMRSvI%3D&reserved=0" originalsrc="https://gilawa.com/" shash="qb/8CPjly+EpazdjrkKEtNao/ceVtjlijFwdgd6HGcfNI4UF/39Oa4LjcqUEU96ewzOp+KXn5z8IEBGpuc0GdjVaAIqGRArhESJiQ7eyUqXD1KDhttSRuZudT8+HjztekgJnJm3xSm5Gq/HV4PNvvx1jCdkwPhEmfm6Jq0i4PrE=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://gilawa.com</span></a>
</span><o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:70.8pt"><b>From:</b>
Luis Rojas G. <a href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true">
<luis.rojas@sixbell.com></a> <br>
<b>Sent:</b> Wednesday, April 8, 2020 3:00 PM<br>
<b>To:</b> Henning Westerholt <a href="mailto:hw@skalatan.de" moz-do-not-send="true"><hw@skalatan.de></a>;
Kamailio (SER) - Users Mailing List <a href="mailto:sr-users@lists.kamailio.org" moz-do-not-send="true"><sr-users@lists.kamailio.org></a><br>
<b>Subject:</b> Re: [SR-Users] Kamailio
propagates 180 and 200 OK OUT OF ORDER<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:70.8pt"> <o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:70.8pt">Hello,
Henning,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:70.8pt"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:70.8pt">I am
worried about this scenario, because it's a
symptom of what may happen in other cases. For
instance, I've seen that this operator usually
sends re-invites immediate after sending ACK.
This may create race conditions like 3.1.5 of
RFC5407<br>
<br>
<a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Frfc5407%23page-22&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534323186&sdata=qsPRiqiZ9H9ACCISTxxMEhoVz4g0iY1u78CNfCtq3%2F8%3D&reserved=0" originalsrc="https://tools.ietf.org/html/rfc5407#page-22" shash="VET/JQkyKZQjh5p61TG+a9yvmJyeLCD0U+Gqxdsfu842SQdJ5YllUaKHpYc65t2ML4BAMuKB9Zpirjardp3p44jaMplpGzWxZXSU9JjvovGSOi7faSs0YhOi4fok1BygQkbbaor0GmhYkCvhxHgMetG9vP343LiJ1OGNWL/i8Tk=" moz-do-not-send="true">https://tools.ietf.org/html/rfc5407#page-22</a><br>
<br>
I'd understand that one happens because of packet
loss, as it's in UDP's nature, but in this case it
would be artificially created by Kamailio. if
there was no problem at network level (packet
loss, packets following different path on the
network and arriving out of order), why Kamailio
creates it? <br>
<br>
I'd expect that the shared memory is used
precisely for this. If an instance of kamailio
receives a 200 OK, it could check on the shm and
say "hey, another instance is processing a 180 for
this call. Let's wait for it to finish" (*). I
know there could still be a problem, the instance
processing the 180 undergoes a context switch just
after it receives the message, but before writing
to shm, but it would greatly reduce the chance.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:70.8pt"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:70.8pt">In
our applications we use a SIP stack that always
sends messages to the application in the same
order it receives them, even though is
multi-threaded and messages from the network are
received by different threads. So, they really
syncronize between them. Why Kamailio instances
don't?<br>
<br>
I am evaluating kamailio to use it as a dispatcher
to balance load against our several Application
Servers, to present to the operator just a couple
of entrance points to our platform (they don't
want to establish connections to each one of our
servers). This operator is very difficult to deal
with. I am sure they will complain something like
"why are you sending messages out of order? Fix
that". The operator will be able to see traces and
check that messages entered the Kamailio nodes in
order and left out of order. They will not accept
it.<br>
<br>
(*) Not really "wait", as it would introduce a
delay in processing all messages. it should be
like putting it on a queue, continue processing
other messages, and go back to the queue later.<br>
<br>
Well, thanks for your answer.<br>
<br>
Luis<br>
<br>
<br>
<br>
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:70.8pt"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:70.8pt"><br>
On 4/8/20 3:01 AM, Henning Westerholt wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US">Hello Luis,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">as
the 1xx responses are usually send unreliable
(unless you use PRACK), you should not make any
assumption on the order or even the arrival of
this messages. It can also happens on a network
level, if send by UDP.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Can
you elaborate why you think this re-ordering is
a problem for you?</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">One
idea to enforce some ordering would be to use
the dialog module in combination with reply
routes and the textops(x) module.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">About
the shared memory question – Kamailio implement
its own memory manager (private memory and
shared memory pool).</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Cheers,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">-- </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Henning Westerholt – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fskalatan.de%2Fblog%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534333185&sdata=5EdaaG7DbrB%2FIUdWfTwavZo1Lt2ouL8OReF8g%2Bie47Y%3D&reserved=0" originalsrc="https://skalatan.de/blog/" shash="Ox5AHiCG5xWDw2EZ+NN6s1U9ZLene3akM3tpMk+bMG4xeV6UpAc4H5gXVQkbPh58uEJzYOxpONZqXickIH/5zBBH+i0y5j3FrbD9kbNWntK36WSjcyiDsh0KEyPfBGXohxM+Yks1EDrQpoIfVSuFepolRCAiQ0o4H0vx2pfUP5Q=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://skalatan.de/blog/</span></a></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB">Kamailio services – </span><span style="mso-fareast-language:EN-US"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgilawa.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534333185&sdata=Fm8pBnl3o2tUIrQ%2BQnPrSqKjwsnGyp6McNnb%2FeLhj5U%3D&reserved=0" originalsrc="https://gilawa.com/" shash="po/s1qoMvgQtOZgOGQ+j7bjBjmF+6d2L5dgyd09kPRRz7fKpUmzgcsB+mDhrSg5ipEMzz63RfaTxc3IV8WgDB2iVkS+QvE70NDDfKCk7JfZJccy1rQ+TeRdG+hNz0avy0GkhhtUkDRKQxNgxn4hiPs57WWzfZC94DF+f8SjcyA0=" moz-do-not-send="true"><span style="color:#0563C1" lang="EN-GB">https://gilawa.com</span></a>
</span><o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-left:70.8pt"><span style="mso-fareast-language:EN-US" lang="EN-GB"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:106.2pt"><b>From:</b>
sr-users <a href="mailto:sr-users-bounces@lists.kamailio.org" moz-do-not-send="true">
<sr-users-bounces@lists.kamailio.org></a>
<b>On Behalf Of </b>Luis Rojas G.<br>
<b>Sent:</b> Tuesday, April 7, 2020 10:43 PM<br>
<b>To:</b> <a href="mailto:sr-users@lists.kamailio.org" moz-do-not-send="true">sr-users@lists.kamailio.org</a><br>
<b>Subject:</b> [SR-Users] Kamailio propagates
180 and 200 OK OUT OF ORDER<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:106.2pt"> <o:p></o:p></p>
<div>
<p style="margin-left:106.2pt">Good day,<o:p></o:p></p>
<p style="margin-left:106.2pt">I am testing the
dispatcher module, using Kamailio as stateless
proxy. I have a pool of UAC (scripts in SIPP)
and a pool of UAS (also scripts in SIPP) for the
destinations. Kamailio version is
kamailio-5.3.3-4.1.x86_64.<o:p></o:p></p>
<p style="margin-left:106.2pt">Problem I have is,
if UAS responds 180 and 200 OK to Invite
immediately, sometimes they are propagated out
of order. 200 OK before 180, like this :<o:p></o:p></p>
<p style="mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:106.2pt"><img style="width:6.2187in;height:2.177in" id="_x0000_i1025" src="cid:part19.F1315836.EA73AB9D@sixbell.com" class="" width="597" height="209" border="0"><o:p></o:p></p>
<p style="margin-left:106.2pt">UAS is
172.30.4.195:5061. UAC is 172.30.4.195:5080.
Kamailio is 192.168.253.4:5070<o:p></o:p></p>
<p style="margin-left:106.2pt">Difference between
180 and 200 is just about 50 microseconds. <o:p></o:p></p>
<p style="margin-left:106.2pt">My guess is that
both messages are received by different
instances of Kamailio, and then because of
context switches, even though the 180 is
received before, that process ends after the
processing of 200. However, I had the idea that
in order to avoid these problems the kamailio
processes synchronized with each other using a
shared memory. I tried using stateful proxy and
I obtained the same result.<o:p></o:p></p>
<p style="margin-left:106.2pt">By the way, anyone
has any idea about how Kamailio's share memory
is implemented? It clearly does not use the
typical system calls shmget(), shmat(), because
they are not shown by ipcs command.<o:p></o:p></p>
<p style="margin-left:106.2pt">Before posting here
I googled, but I couldn't find anything related
to this. I can't believe I am the only one who
ever had this problem, so I guess I am doing
something wrong...<o:p></o:p></p>
<p style="margin-left:106.2pt">Please, any help.
I'm really stuck on this.<o:p></o:p></p>
<p style="margin-left:106.2pt">Thanks.<o:p></o:p></p>
<pre style="margin-left:106.2pt">-- <o:p></o:p></pre>
</div>
</blockquote>
<p style="margin-left:70.8pt"> <o:p></o:p></p>
<pre style="margin-left:70.8pt">-- <o:p></o:p></pre>
<pre style="margin-left:70.8pt">Luis Rojas<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Software Architect<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Sixbell<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Los Leones 1200<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Providencia<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Santiago, Chile<o:p></o:p></pre>
<pre style="margin-left:70.8pt">Phone: (+56-2) 22001288<o:p></o:p></pre>
<pre style="margin-left:70.8pt"><a href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true">mailto:luis.rojas@sixbell.com</a><o:p></o:p></pre>
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</blockquote>
<p style="margin-left:35.4pt"><o:p> </o:p></p>
<pre style="margin-left:35.4pt">-- <o:p></o:p></pre>
<pre style="margin-left:35.4pt">Luis Rojas<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Software Architect<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Sixbell<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Los Leones 1200<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Providencia<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Santiago, Chile<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Phone: (+56-2) 22001288<o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true">mailto:luis.rojas@sixbell.com</a><o:p></o:p></pre>
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<p class="MsoNormal" style="margin-left:35.4pt"><br>
<br>
<o:p></o:p></p>
<pre style="margin-left:35.4pt">_______________________________________________<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Kamailio (SER) - Users Mailing List<o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="mailto:sr-users@lists.kamailio.org" moz-do-not-send="true">sr-users@lists.kamailio.org</a><o:p></o:p></pre>
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</blockquote>
<pre style="margin-left:35.4pt">-- <o:p></o:p></pre>
<pre style="margin-left:35.4pt">Daniel-Constantin Mierla -- <a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.asipto.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534363169&sdata=tzurqeb3UretL9Oj9M096Wx1K30cBfaspcpdT9fD1Es%3D&reserved=0" originalsrc="http://www.asipto.com/" shash="r6epEnJfkuF8YKJo4hpUc/9DL1+Y89/qV4Ize80az+IApKJmy7PK2INOLMoYVFguS6CmJ42lPg4N7ZG26LtWvFMH35vlAs6BbBrjQFOLvnIhXKLlmCeY2PQ4LkixECJDWgfTot4kbKMlt7PvY/Yad98L9sGoLQYhaW00D6EO5nU=" moz-do-not-send="true">www.asipto.com</a><o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.twitter.com%2Fmiconda&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534363169&sdata=om1ZWElalA8cfv8AOGbLYmq3PMFacn4%2B5DDIxcysJq8%3D&reserved=0" originalsrc="http://www.twitter.com/miconda" shash="xgk+doXx/mfnx0MOmfNPVO972BWyrapeQ4bn9CcY57MDsGzDfa80jtJ+kKrWimRegzQwF+vY8PUw1/hPryJc1ppxETbS4BneA9VQ8neRYWFVKU9+GN1Z2ACaoxTKupcLHsA50NzZfppdsr/GImQ/DKRcCvtDm1ClHmCtDF2Xvcw=" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fmiconda&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534373163&sdata=VHHB9eYyNtTa%2B0%2BsXY5fWekVeF6wBmOSTzlRzNiwZ20%3D&reserved=0" originalsrc="http://www.linkedin.com/in/miconda" shash="C1Ro/QS4Wg0h955D4+B2D6l7nQYNjoGSKHkTPMSs1e1mHATRZnsAg+eoYP1sdaIQBOq1XaUpJ/zkmVoEp69bHaSNSaJ7aWjcIha79Y7OFQi4fJ4GtWGYBptMavl+NVAnU/8DkZdO61n6a2IqKCx9Wff+FRKUQM0RtkfpWQitEH8=" moz-do-not-send="true">www.linkedin.com/in/miconda</a><o:p></o:p></pre>
</blockquote>
<p style="margin-left:35.4pt"><o:p> </o:p></p>
<pre style="margin-left:35.4pt">-- <o:p></o:p></pre>
<pre style="margin-left:35.4pt">Luis Rojas<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Software Architect<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Sixbell<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Los Leones 1200<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Providencia<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Santiago, Chile<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Phone: (+56-2) 22001288<o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true">mailto:luis.rojas@sixbell.com</a><o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.sixbell.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534383154&sdata=k7rDRhwhFCrLmcnQZejZzXKBAkxmcvF8aHacWg27dtg%3D&reserved=0" originalsrc="http://www.sixbell.com/" shash="y5rFPzy5dJCJGF+93mGfD+x8SSidYRV/pUtepmx1rMMe/ilLviw1NsoGRDqo4Z1Gbo2QMxmizvst/5O3rMX1syzgOVfdOSK83uIqzxCNib5wxjxnEflIxEJqvB6G8nVTPWI9P196U9Hmchzj4jIUi0gpFVrSFgSvpPdzqDOaaSE=" moz-do-not-send="true">http://www.sixbell.com</a><o:p></o:p></pre>
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<pre class="moz-signature" cols="72">--
Luis Rojas
Software Architect
Sixbell
Los Leones 1200
Providencia
Santiago, Chile
Phone: (+56-2) 22001288
<a class="moz-txt-link-freetext" href="mailto:luis.rojas@sixbell.com" moz-do-not-send="true">mailto:luis.rojas@sixbell.com</a>
<a class="moz-txt-link-freetext" href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.sixbell.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534383154&sdata=k7rDRhwhFCrLmcnQZejZzXKBAkxmcvF8aHacWg27dtg%3D&reserved=0" originalsrc="http://www.sixbell.com/" shash="y5rFPzy5dJCJGF+93mGfD+x8SSidYRV/pUtepmx1rMMe/ilLviw1NsoGRDqo4Z1Gbo2QMxmizvst/5O3rMX1syzgOVfdOSK83uIqzxCNib5wxjxnEflIxEJqvB6G8nVTPWI9P196U9Hmchzj4jIUi0gpFVrSFgSvpPdzqDOaaSE=" moz-do-not-send="true">http://www.sixbell.com</a></pre>
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<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla -- <a class="moz-txt-link-abbreviated" href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.asipto.com%2F&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534393154&sdata=Cpxffu6bmx5lj%2FwPIIBleMw4WN22qS8B%2FRroAThM1WA%3D&reserved=0" originalsrc="http://www.asipto.com/" shash="S0tqRDi2fZMok1gix+VGBs6FsX7ZqRWb9vYU+nHxO695PtA5YIqrDbibYv7z6SIdk0Bb8MtmLmMG6E1G7jNSVByiYyFgKKTNrPJhumR+PorYnSxcZkDJbQjEiiT4x8kny+7xOkg6sjrBsFR8Cb+DOcZz9ZX+uB0i4Gvfzx8Dw7Y=" moz-do-not-send="true">www.asipto.com</a>
<a class="moz-txt-link-abbreviated" href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.twitter.com%2Fmiconda&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534393154&sdata=ahF0Vl9w8hU0AhE3L7sJe%2BZWC3ZaFQDfxr91LTfds3E%3D&reserved=0" originalsrc="http://www.twitter.com/miconda" shash="gxmX15+HLQzDYfmWbZBj699oDE8/fylyWBIFay0qbyNywzNTt9HHsAdFcQr2Wa1GSnE/QNy0LjsYPSYRhEvxAjgt/aC1cVRwTUPAs68TcMGW/lCkVNtgps2Yz1I4DjWKw/V7qSo9hhVTzn2BFipMBQX28e/QJ82K/MYw/2oj7Nc=" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a class="moz-txt-link-abbreviated" href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fmiconda&data=02%7C01%7C%7C1fc802f8e5fc4572ad2908d7dbfefc67%7Cab4a33c2b5614f798601bc921698ad08%7C0%7C0%7C637219760534403152&sdata=cBHN8rqEupWB38bWM6iQ4ieP%2BQghtVMeaRzKzoRcZS4%3D&reserved=0" originalsrc="http://www.linkedin.com/in/miconda" shash="LSoNOcBk+uI4nRIdq/WZcKLMNSlaNXOZ2NL5MHYYKVTW1hQlYYUv7DA75WNCwxVPLPcaNB591aN/vT7H3sLnBQYolamayz/h8oCrmn+y84VP4fQK4s7gSyIToR2rrX09foU4B7+aCqCoBkrDXI/1MXkN3Qrkd5vixca9CUxLkbM=" moz-do-not-send="true">www.linkedin.com/in/miconda</a></pre>
</blockquote>
<p><br>
</p>
<pre class="moz-signature" cols="72">--
Luis Rojas
Software Architect
Sixbell
Los Leones 1200
Providencia
Santiago, Chile
Phone: (+56-2) 22001288
<a class="moz-txt-link-freetext" href="mailto:luis.rojas@sixbell.com">mailto:luis.rojas@sixbell.com</a>
<a class="moz-txt-link-freetext" href="http://www.sixbell.com">http://www.sixbell.com</a></pre>
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