[SR-Users] Registration Failure - IMS

Daniel-Constantin Mierla miconda at gmail.com
Thu Feb 4 18:42:45 CET 2016


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


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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Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com

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