On Wed, Aug 08, 2018 at 09:38:02AM -0400, Richard Fuchs wrote:
> On 2018-08-08 09:25, Alex Balashov wrote:
> > Richard,
> >
> > rtpproxy classic edition had an SDP attribute that could be inserted to
> > prevent rtpproxy from operating on the SDP if another rtpproxy h
On Wed, Aug 08, 2018 at 03:38:47PM +0200, Antony Stone wrote:
> On Wednesday 08 August 2018 at 15:35:37, surendra tiwari wrote:
>
> > Hello Guys,
> >
> > We are having a Meetup for Telecommunication Geeks.
>
> When and where?
India.
In the future.
--
Alex B
Richard,
rtpproxy classic edition had an SDP attribute that could be inserted to
prevent rtpproxy from operating on the SDP if another rtpproxy had
already been engaged upstream. Does RTPEngine have a similar feature?
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800
points, in the
strangest instance of reinvite glare I've ever seen. It's a consistent
behaviour on this particular call flow.
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-
e code to
> prevent this from happening, but if the underlying signalling is broken, it
> can still happen.
Ah, I see. Thank you for that insight.
I have trouble visualising where in our Kamailio config this could
happen, but I suppose it's not impossible. I'll try to identify that
.2] -> BYE (hangup) received from 3.3.3.3:54246
Aug 6 18:12:02 gw1 /usr/local/sbin/kamailio[22211]: INFO:
[R-MAIN:1074537188_44545952@2.2.2.2] -> BYE received - tearing down rtpengine
session
But while this signalling chronology is anomalous, it doesn't explain a
continuous queue ove
someone could shed some light on the nature
of this queue and what we can do about this problem. Is this referring
to a netfilter packet forwarding queue, or is it a receive queue of the
RTPengine user space control process? Can its size be increased or
tweaked with kernel parameters?
Thanks,
-- Alex
issing? I've tried $route_uri but it only
> returns the kamailio's own IP, since it's the only IP in the "Route" header.
>
> Thanks in advance,
>
> Cheers
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> sr-use
e possibly have any better ideas?
Thank you, Alex
Alex Tatham
Technical Director
T:01233 220 943
E:alex.tat...@dmcplc.co.uk
W:www.dmctechnologies.co.uk
DMC Technologies formerly HP Technology
Unit 5, Invicta Business Centre
|
Orbital Park
|
Ashford
|
Kent |
TN24 0HB
DMC Technologies is a tr
): wrong format[route[ACC_HTTP_REPLY]: received reply for
> query $(http_query_id)#012]
> Jul 23 11:36:07 sip03 /usr/sbin/kamailio[24906]: ERROR:
> [core/route.c:1154]: fix_actions(): fixing failed (code=-1) at
> cfg://etc/kamailio/kamailio.cfg:5308
>
>
> Should i escape the var $http_qu
ookbooks/5.1.x/pseudovariables#dlg_var_key
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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taneously change same variable?
>
> Sergey
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Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Oh, I see. So, if I understood correctly, the primary intended use-case is
really to make operations consisting of multiple accesses/writes atomic?
-- Alex
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a route script context.
So what is the purpose of this higher-level lock? Is it to create a way
to block config script execution in multiple processes as to serialise
operations? Why would one want to do this under any ordinary
circumstances? Perhaps it is a failure of my imagination...
Thanks,
--
That may be, but it's still the correct config to use. Your scaled-down version
simply will not work.
On July 18, 2018 9:47:15 AM EDT, Ali Taher wrote:
>Hi Alex,
>
>Yes I did, but I noticed that all in-dialog requests sent by freeswitch
>to kamailio were ignored and no packet w
h IP
>
>
>
>This script is working normally as long as the customer is sending the
>requests(INVITE,BYE,ACK,CANCEL..) . But when the supplier or freeswitch
>initiated the request , above script causes loop where the packet is
>bounced
>between kamailio and freeswitch.
&
}
exit;
}
t_check_trans();
if(is_method("OPTIONS")) {
sl_send_reply("200", "OK");
exit;
}
else if(is_method("INVITE")) {
# Route your calls.
exit;
adequate way. You will want to consider the main
request_route in the main config file and adapt its most essential
aspects accordingly:
https://github.com/kamailio/kamailio/blob/master/etc/kamailio.cfg#L455
-- Alex
On Tue, Jul 17, 2018 at 03:40:58PM +0300, Ali Taher wrote:
> He
imply an amendment to
3261 § 13.2.1, but I'm not sure. Regardless, I'm not convinced all UAs
will handle this situation.
So, what I would most prefer is a means of recycling the same answer
port on the "back" side of RTPEngine while pivoting it on the front
across branches/multiple of
reated dynamically for a given customer ID or whatever, and htable
was the preferred vehicle for that. That has changed, and nowadays it's
a lot simpler. :-)
-- Alex
On Mon, Jul 09, 2018 at 02:41:44PM -0400, Sergiu Pojoga wrote:
> Hi folks,
>
> Trying to implement CPS throttling bas
16GB of RAM?
>
>Your answer is much appreciated.
-- Alex
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send those values to an external script, or use
base64 if the sendsms API method supports a payload in that format.
-- Alex
On Mon, Jul 02, 2018 at 08:57:46PM +, eyas barhouk wrote:
> hello dears ,
>
> i'm trying to use "http_client" module to post SMS from kamaili
explained on the 12.1.2 of rfc3261?
If the provider sent you a Record-Route of their own in addition to any
that you have placed there, your UAC must still follow it when
contacting them for in-dialog requests.
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6
On Mon, Jul 02, 2018 at 09:31:02AM +0300, Yuriy Gorlichenko wrote:
> But here provider says me - you should use Contact field to reach target
> even from myProxy.
Not if they added another Record-Route hop of theirs.
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-51
, they
should be stripped off before continuing with the next-hop Route. This
is the standard loose-routing procedure labouriously articulated in the
RFC, and implemented by loose_route().
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Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web
requests in this dialog. The remote target MUST be set to the URI
> >from the Contact header field of the response.
>
>
> 2018-07-02 0:05 GMT+03:00 Alex Balashov :
>
> > On Mon, Jul 02, 2018 at 12:03:24AM +0300, Yuriy Gorlichenko wrote:
> >
> > &
rget MUST be set to the URI
>from the Contact header field of the response.
Indeed. What is your intended thesis?
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Web: http://www.evaristesys.c
port, but that's radioactively incorrect.
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Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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sr-use
caller will do it because the same
Record-Route is copied into the 2xx response by the callee so that the
caller knows about it. If any of these things are not happening, that
could be the reason.
On Sun, Jul 01, 2018 at 10:50:45AM +0300, Yuriy Gorlichenko wrote:
> Alex thank you for the respo
enko wrote:
> Alex thank you for the response
> So all that I found is correct and known looks like correct.
> Then last question confusing me - why some UAC's ignoring it.
> Looks like they are just have not full RFC interpretation but as i beleive
> FreeSwitch have good SI
level. The request URI should cosmetically be
equivalent to the Contact URI of the far end, but the Route header will
cause a deviation in where the request is actually sent.
This is entirely appropriate and correct. Nobody should be ignoring a
Route header.
-- Alex
On Sun, Jul 01, 2018 at 10:27
other modules. It
works very well.
-- Alex
On Fri, Jun 29, 2018 at 09:39:42AM +0200, Pali Rohár wrote:
> Hi!
>
> Is there any module or configuration how to use dovecot SASL
> authentication in Kamailio?
>
> Dovecot exports unix socket (or tcp on localhost) for authentication
&g
You can learn more about that in the module
documentation, e.g.
https://kamailio.org/docs/modules/5.1.x/modules/uac.html#uac.p.restore_mode
-- Alex
On Thu, Jun 21, 2018 at 10:57:54PM +0300, Igor Olhovskiy wrote:
> Why proxy cannot alter To header?
>
> Regards, Igor
> 21 июня 2018 г
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Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web:
This is an update to my original 2013 article on this topic:
http://www.evaristesys.com/blog/kamailio-as-an-sbc-five-years-on/
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com
rcial understanding of SBC,
such as ASIC-assisted RTP relay, B2BUA-based topology hiding, various
types of registrar caching middlebox functionality, forwarding out of a
large number of network interfaces/VLANs, etc.
-- Alex
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Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-
gistering to the SBC. Also a way to receive and pass
> User-to-User (UUI) information.
>
> -Original Message-
> From: sr-users [mailto:sr-users-boun...@lists.kamailio.org] On Behalf Of Alex
> Balashov
> Sent: Monday, June 18, 2018 10:40 AM
> To: Kamailio (SER) - Users M
g@01D3F36A.B17ABBD0]
>
>[cid:image006.png@01D3F36A.B17ABBD0]
>
>[cid:image003.png@01D406F0.8843CF10]
>
>[cid:image010.png@01D3F36A.B17ABBD0]
-- Alex
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On Wed, Jun 13, 2018 at 01:26:07PM -0500, Karthik Srinivasan wrote:
> Could you explain why we need to call this function when manipulating $fU ?
Some PV manipulations work that way, others don't. :-) "Because
Kamailio".
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Te
: 3224567880
>
> Thanks,
>
> Karthik
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Alex
of the call.
>I have included a full pcap file. As a side note when comparing pcap
>traces of the Non Proxied vs Proxied call, the INVITE and 200 OK from
>Asterisk and Softphone are exactly the same.
>
>Thank you,
>-Steve
-- Alex
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iving nodes.
>Equal weight, just filling them in some balanced fashion.
>
>Any hints or ideas would be much appreciated!
>
>Kind regards,
>
>Tim Bowyer
-- Alex
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LinkedIn_logo_initials
> > (1)
> > <https://www.linkedin.com/company/44983?trk=tyah&trkInfo=clickedVertical%3Acompany%2CentityType%3AentityHistoryName%2CclickedEntityId%3Acompany_company_44983%2Cidx%3A0>
> >
> >
> >
> >
>
> --
> Daniel-Constan
f(!t_relay())
sl_reply_error();
}
branch_route[BRANCH_ROUTE] {
if(isflagset(PROXY_MEDIA_SET)) {
...
}
...
}
Is PROXY_MEDIA_SET meant to be visible inside the branch_route? Because
it doesn't seem to be.
Thanks!
-- Alex
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Alex Balashov | Principal | E
his really isn't a reasonable approach. :-)
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Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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URI:
> sip:5.103.133.210:5070;transport=tcp;lr;r2=on;ftag=851466465;vst=CwUAARgIAAAUBAoCATg1MDt0cmFuc3BvcnQ9VENQO29i;nat=yes
> Route Host Part: 5.103.133.210
> Route Host Port: 5070
> Route URI paramete
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Web: htt
variance in keys to get unique
bucket hits in a situation where size(htable) =~ entry count N.
On Thu, May 31, 2018 at 05:22:43PM -0400, Alex Balashov wrote:
> Hi,
>
> I might be mistaken in my interpretation of the situation, but my first
> guess would be multiple entries ending up
will help. What
is the value of the 'size' parameter for that htable definition now?
-- Alex
On Thu, May 31, 2018 at 08:07:18PM +, Brooks Bridges wrote:
> Apologies if the initial report was unclear. The issue isn't with the actual
> counts (which appear to be
nce if your registrar is outboard or
internal.
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tml
https://kamailio.org/docs/modules/5.1.x/modules/http_async_client.html
But in general, if you're looking to squeeze maximum performance for a
dialer type workload, no, pound-for-pound, HTTP is not the way to go.
-- Alex
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Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-
P300 only Kamailio instance on AWS
That's a meaningless question; way, way, way too many variables.
>- Is AWS a bad choice for prime time LCR. Any gory stories?
No, it's not a bad choice.
-- Alex
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Tel: +1-706-510-6800 / +1-8
://kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/kemi/
-- Alex
On Tue, May 22, 2018 at 07:32:35PM +, KamDev Essa wrote:
> On the app_python. How do I get the value of rn back to to kamailio. does
> the function return a value? likern = python_exec("my_python_function"
tream. But I would like to learn. Is there an info on the
> net to do this.
There doubtless is. Google "dns conditional forwarding".
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Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/,
https://kamailio.org/docs/modules/5.1.x/modules/app_python.html
Or, if you absolutely must — though I don't recommend it:
https://kamailio.org/docs/modules/5.1.x/modules/exec.html
-- Alex
On Tue, May 22, 2018 at 07:14:32PM +, KamDev Essa wrote:
> Awesome. Where can I get info on
now how to automate those
> steps or other steps to get the same solution.
> KD
> On Tuesday, May 22, 2018, 2:53:53 PM EDT, Alex Balashov
> wrote:
>
> On Tue, May 22, 2018 at 06:47:33PM +, KamDev Essa wrote:
>
> > I cannot handle the ENUM in kamailio or
On Tue, May 22, 2018 at 06:47:33PM +, KamDev Essa wrote:
> I cannot handle the ENUM in kamailio or mysql.
How did you draw that conclusion?
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Web: http://www.evaristesys.com/, h
h percentage of LNP
> TNs out there.
> KD
> On Tuesday, May 22, 2018, 1:21:42 PM EDT, Alex Balashov
> wrote:
>
> What is queried when you use enum_query() as you'd expect to?
>
> You might have to take a packet capture to determine that.
>
> On Tue, May 2
e.
> KD
> On Tuesday, May 22, 2018, 1:21:42 PM EDT, Alex Balashov
> wrote:
>
> What is queried when you use enum_query() as you'd expect to?
>
> You might have to take a packet capture to determine that.
>
> On Tue, May 22, 2018 at 05:18:50PM +, K
to have the domain name in the request. Basically, how would
> I construct my enum_query to go to 1.1.1.1 and query the E.164 formatted TN.
> Or is that not how things work in Kamailio?
> KDOn Tuesday, May 22, 2018, 1:06:52 PM EDT, Alex Balashov
> wrote:
>
> On Tue, May
resolvers
configured on the system globally, AFAIK.
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+, KamDev Essa wrote:
> ENUM
> On Tuesday, May 22, 2018, 12:21:31 PM EDT, Alex Balashov
> wrote:
>
> What is the nature of the dip interface?
>
> On Tue, May 22, 2018 at 04:18:37PM +, KamDev Essa wrote:
>
> > Are there any modules with LRN dippin
iple Choices only LCR solution I would send back
> the abc123 for the Multiple hosts in my LCR list. In a Follow Me
> solution I could have abc123 for one and def456 for another.
The 'abc123' part of 'sip:abc123@host' is generally called the 'user
part' or &
; Kamailio (SER) - Users Mailing List
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> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
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nations.
> KD
> On Tuesday, May 22, 2018, 11:56:18 AM EDT, Alex Balashov
> wrote:
>
> I don't know your logic for pulling your contacts?
>
> On Tue, May 22, 2018 at 03:52:30PM +, KamDev Essa wrote:
>
> > Why do I need to change the $rU (abc123 and
I don't know your logic for pulling your contacts?
On Tue, May 22, 2018 at 03:52:30PM +, KamDev Essa wrote:
> Why do I need to change the $rU (abc123 and def456) will it not always be
> abc123 based on the $rU I get?
> KD
> On Tuesday, May 22, 2018, 11:40:02 AM E
ontact:
;q=0.1,;q=0.2,...\r\n");
-- Alex
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On Mon, May 21, 2018 at 10:28:06PM +0300, George Diamantopoulos wrote:
> I know, but I'm that desperate.
Sometimes you just have to solve the problem differently. Can't put the
milk back into the cow.
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me up with a
> different solution I'd be glad to hear it, as neither my head nor the
> surrounding walls can take any more mutual banging at this point. Thanks!
>
> BR,
> George.
>
> P.S. I hate fax
> ___
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send out on,
> but this did not work either. Does this sound like I am on the right track?
>
> Thank you,
> -
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What is the full and exact RURI of the request immediately prior to
relay, and also the value of $du?
Can you xlog() both $du and $ru prior to t_relay() and tell us what
those values are?
Thanks,
-- Alex
On Thu, May 17, 2018 at 01:36:25PM +, Wilkins, Steve wrote:
> Hello,
>
> I
+0100, Asgaroth wrote:
> Alex,
>
> Thank you for this blog post, great work, very helpfull information!
>
> Much appreciated.
>
>
> On 11/05/18 15:13, Alex Balashov wrote:
> > Hi,
> >
> > I have updated this article with some other topics:
> >
_forward_nonack(): failure to add branches
>
>It seems strange the WARNING is showing tcp but the ERROR is showing
>udp.
>
>Thank you!
>
>-----Original Message-
>From: sr-users [mailto:sr-users-boun...@lists.kamailio.org] On Behalf
>Of Alex Balashov
>Sent: Tuesday,
header for
> the 200K to the UA to make this work.
> KD
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x27;;
...
t_relay();
-- Alex
On Tue, May 15, 2018 at 04:38:59PM +, Wilkins, Steve wrote:
> Yes there is an error. I get this error trying both ways =>
> no corresponding socket found for "111.25.1.99" af 2 (udp: 111.25.1.99:5060).
> It is still trying to send UDP.
Are there any errors in the logs suggestive of a failure to select an
appropriate egress listener?
On Tue, May 15, 2018 at 04:14:07PM +, Wilkins, Steve wrote:
> Hi Alex,
>
> I tried your suggestion and everything is still going over UDP. I verified
> with tcpdump/wireshark
Hi Steve,
Do you have a TCP listener from which the messages would be expected to
egress?
Also, try use regular t_relay(), but beforehand do:
$ru = $ru + ";transport=TCP";
-- Alex
On Tue, May 15, 2018 at 03:43:26PM +, Wilkins, Steve wrote:
> Hi All,
>
> I was a
kamailio.org/docs/modules/devel/modules/tm.html#remap_503_500.
Oh yeah. How about that! (Re)learn something new every day. Cheers
Federico! :-)
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e RPC disable/enable commands in order to toggle the status of a
remote registration.
-- Alex
On Mon, May 14, 2018 at 04:30:16PM +, Greg Adams wrote:
> Hey there,
>
>
> I am currently using the UAC module to maintain remote registrations. I am
> just curious if it is possible t
s.kamailio.org/cgi-bin/mailman/listinfo/sr-users
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ional commentary of some sort on edge cases and that.
On Mon, May 14, 2018 at 01:27:23PM -0400, Sergiu Pojoga wrote:
> Hi Alex,
>
> Glad to see the mention of SIP Outbound in your updated article. Here's
> another 5+5 cents of mine that might help others in the future.
>
>
called
>again? Do I need to set a flag that says I have already dipped DB?
>KD
>On Monday, May 14, 2018, 12:04:28 PM EDT, Alex Balashov
> wrote:
>
> Not necessarily. All depends on how performant the query is.
>
>Most real-world call processing involves at least one dat
> sql_result_free("ra");
>
>
> }
>Will DB hits on every call hinder performance.
>On Monday, May 14, 2018, 10:03:04 AM EDT, Alex Balashov
> wrote:
>
> I think your best bet is to set those variables as AVPs, so that their
>values can persist
Hi,
1. Do you have a failure_route for this transaction? If so, can you provide it?
2. Make sure the `failure_reply_mode` modparam for TM is set to 3, which
is default anyway:
https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tm.p.failure_reply_mode
-- Alex
On Mon, May 14, 2018 at 11:33
{
# Initialise AVPs to $null or presumed default value.
$avp(call_type) = $null;
...
# When determination is made as to the call type:
if($dbr(res=>[0,0]) eq 'vm')
$avp(call_type) = 'voicemail';
}
-- Alex
On Mon, May 14, 2
That seems correct and sounds like it should work. What is the request
URI of the INVITE that comes back into Kamailio on the B leg? Does its
domain match the AOR domain? Do you have your registrar/usrloc set to
use domains on lookup()?
-- Alex
--
Alex Balashov | Principal | Evariste Systems
that you are using the word AOR correctly?
If you're not forwarding registrations to Asterisk but instead storing
them in Kamailio's registrar, setting the Contact binding of an AOR to
have the address of that very same Kamailio registrar would make no
sense.
--
Alex Balashov | Principal
EMS (e.g B2BUA,
>NAT-Traversal) and working it with Kamailio.
>The SEMS has proper modules to solve NAT Traversal in Kamailio,too
>If you want, I could give you it's documents.
>Thanks With Regards.Mojtaba
>
>On Fri, May 11, 2018 at 6:43 PM, Alex Balashov
> wrote:
>> H
Hi,
I have updated this article with some other topics:
http://blog.csrpswitch.com/server-side-nat-traversal-with-kamailio-the-definitive-guide/
"The definitive guide" is of course an ambitious and moving target, so
there may be more evolution in the future.
-- Alex
--
Ale
diversion.html#diversion.f.add_diversion
Although, of course, if you need to customise this header more
extensively, just use append_hf() and construct your own:
append_hf("Diversion: \r\n");
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-2
Thursday, May 10, 2018, 10:55:11 PM EDT, Alex Balashov
> wrote:
>
> But of course!
>
>https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tm.p.fr_timer
>
>https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tmp.p.fr_inv_timer
>
>
>-- Alex
>
>--
>Sent v
But of course!
https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tm.p.fr_timer
https://kamailio.org/docs/modules/5.1.x/modules/tm.html#tmp.p.fr_inv_timer
-- Alex
--
Sent via mobile, please forgive typos and brevity.
___
Kamailio (SER
th via the '-s' option to kamcmd.
-- Alex
--
Sent via mobile, please forgive typos and brevity.
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else (e.g. HTTP API) and inject
them into an htable upon startup:
https://kamailio.org/docs/modules/5.1.x/modules/htable.html#idp49461924
Lots of options...
-- Alex
[1] https://kamailio.org/docs/modules/5.1.x/modules/dispatcher.html
[2]
https://kamailio.org/docs/modules/5.1.
y. Beware the distinction between
inbound and outbound call flows.
-- Alex
On Wed, May 09, 2018 at 09:15:48PM +, KamDev Essa wrote:
> Well then why does Inbound (from carrier to NATed UA) call work. Kam is
> doing something clever there. Why not when sending the call out.
> KD
How would you define "foes" in a programmatic sense? :) That will dictate the
answer.
-- Alex
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Oh, the UAs are NAT'd? Yeah, you're going to need something clever in the
middle that can do the RTP latching, then.
-- Alex
--
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do get RTP flowing just in one
>direction. From the UA to kam and out to the carrier. I get nothing
>geting back to the end point. In other words 1 way RTP. Looks like its
>Kam RTPProxy or bust.
>KD
>On Wednesday, May 9, 2018, 2:38:08 PM EDT, Alex Balashov
> wrote:
>
>Co
ingbut not RTP.
>However the cfg entry modparam("rtpproxy", "rtpproxy_sock",
>"udp:127.0.0.1:7722") gives me to believe (not tcdumped RTP ports yet
>to prove it ) that Kam anchors RTP @ port 7722.
>KD
>On Wednesday, May 9, 2018, 2:02:14 PM EDT, Alex Bala
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