5 Feb
2016
5 Feb
'16
1 p.m.
Hello Cristina,
please add a tracefile of the registration generated with “tcpdump -i any -s 3000 -w
/var/tmp/trace.pcap”.
BR
Franz
From: sr-users [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Cristina
Caridi
Sent: Friday, February 5, 2016 9:26 AM
To: Jason Penton <jason.penton(a)smilecoms.com>
Cc: Kamailio (SER) - Users Mailing List <sr-users(a)lists.sip-router.org>
Subject: Re: [SR-Users] Registration Failure - IMS
Hello,
thank you for the responsive answer!
Ok, I will skip IP SEC mechanism for the moment :)
But I have another problem related to registration process. After REGISTER-401
Unauthorized-REGISTER-200 OK, the IMS client sends the SUBSCRIBE message (for the
"reg" event package subscription) to the S-CSCF, the latter replies with NOTIFY
and the client correctly responds with 200 OK. In order to be notified on any change of
registration state for the client, also the P-CSCF sends the SUBSCRIBE message to the
S-CSCF, the S-CSCF sends a NOTIFY to the proxy but, instead of replying with 200 OK, the
P-CSCF replies with 404-Not Here (like it doesn't recognize that the recipient of the
NOTIFY in the Req-URI is the P-CSCF itself).
Have you ever seen similar issue?
I've checked the S-CSCF database and it correctly contains the P-CSCF subscription.
Can you suggest any workaround or I'm missing something?
Thank you for your support,
Cristina
2016-02-04 21:26 GMT+01:00 Jason Penton <jason.penton(a)smilecoms.com
<mailto:jason.penton@smilecoms.com> >:
Hi Cristina,
Unfortunately IPSEC is not supported 100% on the P-CSCF at this time. There are pieces of
code that exist for it but it is not something we focused on yet. Perhaps some of the
other devs will get to it when they get the need or some spare time
Cheers
Jason
On Thu, Feb 4, 2016 at 7:42 PM, Daniel-Constantin Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com> > wrote:
Hello,
maybe some other IMS guys are able to help more, but in general the authentication in
handled in the configuration file of Kamailio by calling various auth functions. You have
to spot where those are used and why is responding with 401. Eventually run it with
debug=3 in kamailio.cfg to get more verbosity of what it is done in the code.
Also, it may help to check the emails from Franz Edler during January and February on this
list, he provided configs and many details about building a prototype IMS platform. See
next link and follow up discussion:
- http://lists.sip-router.org/pipermail/sr-users/2016-January/091204.html
Cheers,
Daniel
On 03/02/16 11:58, Cristina Caridi wrote:
Hello,
I'm a new starter of Kamailio (SER). I am using the version 4.4.0-dev6 in a Debian
machine.
I've configured all the IMS network elements, the FHoSS and also Boghe IMS/RCS client
in a Windows machine.
When an IMS user belonging to my network tries to register and IP SEC mechanism is
enabled, the registration flow stops at 401 Unauthorized from S-CSCF -> I-CSCF ->
P-CSCF -> client.
The problem is that the HSS in MAA message does not send the SIP-Auth-Data-item that
should be cointain the Confidentiality Key and the Integrity Key; so the client is not
able to challenge the S-CSCF sending another REGISTER message.
Do you have any suggestions about this? When IP SEC is disabled (by managing client
options), the registration works well.
Maybe is there any configuration at HSS level that i'm not considering?
Thank you in advance for your help,
Cristina
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