[SR-Users] Client Registration and Call over Kamailio

[serkan celik]

Hello,
Olle,

I have tried to add PATH header on Kamailio just before sending Register
request but that did not work. Actually Resgistration became succefull but
when I try to make call IMS sent 403 (Not found  You must register first
with a SCSCF)

Yasin,

I could not get what you suggest? during which phase should I change $rU?.


On Fri, Nov 9, 2018 at 4:26 PM YAS0 CANER <caner_yaso at hotmail.com> wrote:

> Hello,
>
> Pcscf adds a path header for s-cscf. So s-csxf can return directly p-cscf.
>
> After saving on p-cscf , u can manipulate r-uri address and then t relay.
> So nothing gonna be changed but r-uri.
>
> $ru =“sip:”+$rU+”pcscf.com:4060”
> t_relay()
>
> Did you try it?
>
> Yasin Caner
>
> iPhone’umdan gönderildi
>
> Olle E. Johansson <oej at edvina.net> şunları yazdı (9 Kas 2018 18:06):
>
> You may want to look at using the Path header so that the IMS platform -
> if it supports it - routes calls back through Kamailio. If so, you can
> forward registrations as you do.
>
> I don’t really know much about IMS; so see this as a guess. Kamailio
> supports using the path header.
>
> /O
>
> On 9 Nov 2018, at 16:03, serkan celik <srkancelik at gmail.com> wrote:
>
> Hi Caner,
> Thanks for the answer but actually what you suggested is not what I looked
> for. I 'd rather considering to register Kamailio to the IMS with the helps
> of some modules. I tried to use UAC module to send a new registration to
> IMS but it did not work as I expected
>
> On Fri, Nov 9, 2018 at 3:07 PM YAS0 CANER <caner_yaso at hotmail.com> wrote:
>
>> Hello ,
>> I think you need a proxy kamailio in front of ims because u try to make
>> more p-cscf. So it make it hard to solve problems an scenario . In my
>> opinion, you can use f5\netscaler or similiar app.
>>
>> Good luck
>>
>> Yasin Caner
>>
>>
>> serkan celik <srkancelik at gmail.com> şunları yazdı (9 Kas 2018 16:30):
>>
>> > Hi all,
>> >
>> > I am using Kamailio as a proxy in front of a 3rd part Open IMS (Not IMS
>> modules in kamailio).
>> > I have defined Kamailio as an outbound proxy in Soft clients(I have
>> configured IMS users info in Soft Clients). When I send register from
>> client to IMS, Register message is sent to IMS over Kamailio. Kamailio
>> forwards this received Register to the 3rd party IMS. Finally the client is
>> registered into IMS over Kamailio. However when I try to make a call from
>> registered users (both registered over Kamailio), IMS sends 403 Forbidden -
>> "Not Registered! You must register first with a S-CSCF" to Kamailio.
>> > When I debugged the issue I found the reason why IMS sends 403. When
>> IMS receives an Invite message from Kamailio it checks whether source IP
>> which Invite is sent registered or not. As I make registration over
>> Kamailio without changing contact header, IMS registers the user with the
>> contact IP (which is the client IP).
>> > So to make a call from Soft client (IMS users) over Kamailio I also
>> need to register Kamailio source IP as well.To deal with the issue I have
>> changed the contact address of Register message coming from Soft client
>> with Kamailio IP  on Kamailio. Then IMS registered Kamailio IP as a contact
>> when registering IMS user. But this time when I make a call from Soft
>> client  over Kamailio, IMS sends Termination Invite to Kamailio. So to
>> finalize the call Kamailio has to route this termination Invite to the
>> terminating IMS user .
>> > Is there any better approach to overcome this issue. Which is the
>> better approach to use Kamailio in front of IMS. I want to both register
>> and make a call from Soft clients over Kamailio to the IMS.
>> >
>> > Regards,
>> > Serkan CELIK
>> > _______________________________________________
>> > Kamailio (SER) - Users Mailing List
>> > sr-users at lists.kamailio.org
>> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20181109/dbb7d9bc/attachment.html>