[SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Grant Bagdasarian gb at cm.nl
Mon Mar 21 13:17:59 CET 2016


Hi Daniel,

I've tried with htable implementation, but I can't seem to use a variable as the argument for the forward function.
I've tried multiple possibilities:

forward($avp(s:cancel_dst));
forward("$avp(s:cancel_dst)");

forward($var(cancel_dst));
forward("$var(cancel_dst)");

forward($sht(cancel=>$ci));
forward("$sht(cancel=>$ci)");

I keep getting the following error:

CRITICAL: <core> [proxy.c:265]: mk_proxy(): could not resolve hostname: "$avp(s:cancel_dst)"
Or when I don't enclose the variable in quotes an error about the parameter requiring a string.

I've also tried using the following steps, but rewritehost doesn't allow variables too :(

rewritehost("$var(cancel_dst)");
$du = "sip:$var(cancel_dst):5060;transport=udp";

Any ideas?

Regards,

Grant

From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Grant Bagdasarian
Sent: Monday, March 21, 2016 10:01 AM
To: 'miconda at gmail.com' <miconda at gmail.com>; Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Hello Daniel,

Thank you for figuring this out and explaining it to me! This has helped me a lot!

Regards,

Grant

From: Daniel-Constantin Mierla [mailto:miconda at gmail.com]
Sent: Friday, March 18, 2016 4:33 PM
To: Grant Bagdasarian <gb at cm.nl<mailto:gb at cm.nl>>; Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org<mailto:sr-users at lists.sip-router.org>>
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Hello,

the problem is that the device you interconnect with (Server: sbc_5) is not sending all the Via headers from INVITE in the 487 -- it is only one Via:

# U 10.0.0.1:5060 -> 10.14.0.1:5060

SIP/2.0 487 Request Cancelled.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060><sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060><sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060><sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.

Notice the 100 trying Via stack:

# U 10.0.0.1:5060 -> 10.14.0.1:5060

SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bK3c3b.9cad3c629aa5c2985e543c285f2f6d1d.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bKsr-jNXap0IRuJngh6iFuS1xpYUspYiRWQikWSisuQfjcQKOM-8C8odTwzW4V-4LMU1N8O2fWSINuYFmpSUfpcKXuq8NW0is8YdObqasuQuP.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060><sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060><sip:0031123456789 at 10.14.0.3:5060>.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060><sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.


My guess that the sbc_5 is so poor implemented that it takes the Via from last request, which is CANCEL, but CANCEL is a hop-by-hop request in this case. If my guess is confirmed, the implementation of sbc_5 is really far away from RFC3261, something that I haven't probably seen since 2002/3.

To test, you can try to use forward() for CANCEL instead of t_relay(). But you need to know where to send it -- same address as for INVITE -- you can hardcode some values in config for sake of simplicity to test. A proper workaround can be built using htable module to store where the invite was sent, using call-id as a key.

Cheers,
Daniel
On 18/03/16 15:43, Grant Bagdasarian wrote:
Hi Daniel,

No problem :)

Our devices are kamailios. Our customers use different equipment for sending traffic and I'm not sure what kind of equipment our carriers are using. So, I can't really tell what device they're using. My test was done using Bria (X-Lite) acting as a "customer".

Regards,

Grant

From: Daniel-Constantin Mierla [mailto:miconda at gmail.com]
Sent: Friday, March 18, 2016 10:25 AM
To: Grant Bagdasarian <gb at cm.nl><mailto:gb at cm.nl>; Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org><mailto:sr-users at lists.sip-router.org>
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Hello,

with CeBIT trip this week, I didn't get the change to look too much at it...

What is the device sending the reply to INVITE?

Cheers,
Daniel
On 18/03/16 10:05, Grant Bagdasarian wrote:
Hello Community,

Could someone point me into the right direction for fixing this issue with CANCEL replies?

Regards,

Grant

From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Grant Bagdasarian
Sent: Tuesday, March 15, 2016 8:47 PM
To: 'miconda at gmail.com<mailto:miconda at gmail.com>' <miconda at gmail.com><mailto:miconda at gmail.com>; Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org><mailto:sr-users at lists.sip-router.org>
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Any ideas how to solve this?

Regards,

Grant
________________________________
From: sr-users <sr-users-bounces at lists.sip-router.org<mailto:sr-users-bounces at lists.sip-router.org>> on behalf of Grant Bagdasarian <gb at cm.nl<mailto:gb at cm.nl>>
Sent: Monday, March 14, 2016 3:09:47 PM
To: 'miconda at gmail.com<mailto:miconda at gmail.com>'; Kamailio (SER) - Users Mailing List
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Hello Daniel,

Carrier: 10.0.0.1
Kamailio 1: 10.14.0.1
Kamailio 2: 10.14.0.2

I also removed the SDP from the INVITE and the 183 messages.

This is the trace from the Kamailio which directly communicates with the Carrier.

U 10.14.0.2:5060 -> 10.14.0.1:5060
INVITE sip:0031123456789 at 10.14.0.1:5060 SIP/2.0.
Record-Route: <sip:10.14.0.2;lr=on>.
Record-Route: <sip:10.14.0.3;lr=on>.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bK3c3b.9cad3c629aa5c2985e543c285f2f6d1d.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bKsr-jNXap0IRuJngh6iFuS1xpYUspYiRWQikWSisuQfjcQKOM-8C8odTwzW4V-4LMU1N8O2fWSINuYFmpSUfpcKXuq8NW0is8YdObqasuQuP.
Max-Forwards: 68.
Contact: <sip:10.14.0.3;line=sr-1sX9bA20uS8PuS8NWSFPWUiPW0IRuS8RuJHNuQ4KuQ89>.
To: <sip:0031123456789 at 10.14.0.3:5060>.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 INVITE.
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, CANCEL, BYE, REFER, INFO, MESSAGE.
Content-Type: application/sdp.
User-Agent: Bria 4 release 4.2.1 stamp 78100.
Content-Length: 431.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bK3c3b.9cad3c629aa5c2985e543c285f2f6d1d.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bKsr-jNXap0IRuJngh6iFuS1xpYUspYiRWQikWSisuQfjcQKOM-8C8odTwzW4V-4LMU1N8O2fWSINuYFmpSUfpcKXuq8NW0is8YdObqasuQuP.
To: <sip:0031123456789 at 10.14.0.3:5060>.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 INVITE.
Server: kamailio (4.3.4 (x86_64/linux)).
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.0.0.1:5060
INVITE sip:0031123456789 at 10.0.0.1:5060 SIP/2.0.
Record-Route: <sip:10.14.0.1;lr=on>.
Record-Route: <sip:10.14.0.2;lr=on>.
Record-Route: <sip:10.14.0.3;lr=on>.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bK3c3b.9cad3c629aa5c2985e543c285f2f6d1d.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bKsr-jNXap0IRuJngh6iFuS1xpYUspYiRWQikWSisuQfjcQKOM-8C8odTwzW4V-4LMU1N8O2fWSINuYFmpSUfpcKXuq8NW0is8YdObqasuQuP.
Max-Forwards: 67.
Contact: <sip:10.14.0.3;line=sr-1sX9bA20uS8PuS8NWSFPWUiPW0IRuS8RuJHNuQ4KuQ89>.
To: <sip:0031123456789 at 10.14.0.3:5060>.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 INVITE.
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, CANCEL, BYE, REFER, INFO, MESSAGE.
Content-Type: application/sdp.
User-Agent: Bria 4 release 4.2.1 stamp 78100.
Content-Length: 431.

#
U 10.0.0.1:5060 -> 10.14.0.1:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bK3c3b.9cad3c629aa5c2985e543c285f2f6d1d.0.
Via: SIP/2.0/UDP 10.14.0.3;branch=z9hG4bKsr-jNXap0IRuJngh6iFuS1xpYUspYiRWQikWSisuQfjcQKOM-8C8odTwzW4V-4LMU1N8O2fWSINuYFmpSUfpcKXuq8NW0is8YdObqasuQuP.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.2:5060 -> 10.14.0.1:5060
CANCEL sip:0031123456789 at 10.14.0.1:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
Max-Forwards: 68.
To: <sip:0031123456789 at 10.14.0.3:5060>.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 CANCEL.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.0.0.1:5060
CANCEL sip:0031123456789 at 10.0.0.1:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
Max-Forwards: 67.
To: <sip:0031123456789 at 10.14.0.3:5060>.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 CANCEL.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 200 canceling.
Via: SIP/2.0/UDP 10.14.0.2;branch=z9hG4bK3c3b.6002c178e1a0751f80857e10c4caeb35.0.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=a6a1c5f60faecf035a1ae5b6e96e979a-52bb.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 CANCEL.
Server: kamailio (4.3.4 (x86_64/linux)).
Content-Length: 0.
.

#
U 10.0.0.1:5060 -> 10.14.0.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 CANCEL.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.0.0.1:5060 -> 10.14.0.1:5060
SIP/2.0 487 Request Cancelled.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.0.0.1:5060
ACK sip:0031123456789 at 10.0.0.1:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK3c3b.a6603e0f92db305f775f8bf1d95dc7d9.0.
Max-Forwards: 67.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
CSeq: 2 ACK.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 487 Request Cancelled.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 487 Request Cancelled.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 487 Request Cancelled.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 487 Request Cancelled.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060>;tag=1f15682a.
To: <sip:0031123456789 at 10.14.0.3:5060>;tag=sbcsipuas_1_C52464_20160314100333554_b12sb10.
Call-ID: 78100ZGIyZGM2ZTY4ODM4YWZlZGFjNTBjMDZmYjQzMzBkOGI.
Contact: <sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Daniel-Constantin Mierla
Sent: Monday, March 14, 2016 2:44 PM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org<mailto:sr-users at lists.sip-router.org>>
Subject: Re: [SR-Users] Kamailio 4.3.4: receive_msg(): no via found in reply

Hello,

what would be relevant here is seeing the INVITE request sent to 10.14.0.1:5060 -- paste it to the mailing list discussion. That is going to be used to generate 487, and the Via stack from it should be used there.

Cheers,
Daniel
On 14/03/16 13:23, Grant Bagdasarian wrote:
Hello,

We're testing kamailio 4.3.4 with two kamailio's communicating with each other. One of them is a gateway with rtpengine at the carrier side, the other is a basic sip router.
When calling a destination and cancelling the INVITE a 487 is received from the carrier and directly ACK'd by the first kamailio and in turn is forwarded to the second.
But the 487 response received by the 2nd kamailio doesn't have a Via header which results in kamailio printing the error: receive_msg(): no via found in reply.

Any ideas why the forwarded 487 doesn't contain a Via header and how to fix this?

Note: IP's are changed.

Carrier: 10.0.0.1
Kamailio 1: 10.14.0.1
Kamailio 2: 10.14.0.2

U 10.0.0.1:5060 -> 10.14.0.1:5060
SIP/2.0 487 Request Cancelled.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK8e28.642c68037d059634308d4be8fe3f0cdc.0.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060><sip:+31612345678 at 10.14.0.3:5060>;tag=109ac722.
To: <sip:003112345678 at 10.14.0.3:5060><sip:003112345678 at 10.14.0.3:5060>;tag=sbcsipuas_1_C22196_20160314080307791_b59sb10.
Call-ID: 78100MjY3OGExZmMyODU2MzAyMzM5ODA3MmNhMDdlMzg0MzU.
Contact: <sip:10.0.0.1:5060><sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.0.0.1:5060
ACK sip:003112345678 at 10.0.0.1:5060 SIP/2.0.
Via: SIP/2.0/UDP 10.14.0.1;branch=z9hG4bK8e28.642c68037d059634308d4be8fe3f0cdc.0.
Max-Forwards: 67.
To: <sip:003112345678 at 10.14.0.3:5060><sip:003112345678 at 10.14.0.3:5060>;tag=sbcsipuas_1_C22196_20160314080307791_b59sb10.
From: "+31612345678"<sip:+31612345678 at 10.14.0.3:5060><sip:+31612345678 at 10.14.0.3:5060>;tag=109ac722.
Call-ID: 78100MjY3OGExZmMyODU2MzAyMzM5ODA3MmNhMDdlMzg0MzU.
CSeq: 2 ACK.
Content-Length: 0.
.

#
U 10.14.0.1:5060 -> 10.14.0.2:5060
SIP/2.0 487 Request Cancelled.
From: "+31612345678" <sip:+31612345678 at 10.14.0.3:5060><sip:+31612345678 at 10.14.0.3:5060>;tag=109ac722.
To: <sip:003112345678 at 10.14.0.3:5060><sip:003112345678 at 10.14.0.3:5060>;tag=sbcsipuas_1_C22196_20160314080307791_b59sb10.
Call-ID: 78100MjY3OGExZmMyODU2MzAyMzM5ODA3MmNhMDdlMzg0MzU.
Contact: <sip:10.0.0.1:5060><sip:10.0.0.1:5060>.
CSeq: 2 INVITE.
Server: sbc_5.
Content-Length: 0.




_______________________________________________

SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list

sr-users at lists.sip-router.org<mailto:sr-users at lists.sip-router.org>

http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users


--

Daniel-Constantin Mierla

http://www.asipto.com

http://twitter.com/#!/miconda<http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda

Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com



--

Daniel-Constantin Mierla

http://www.asipto.com

http://twitter.com/#!/miconda<http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda

Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com


--

Daniel-Constantin Mierla

http://www.asipto.com

http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
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