10 Nov
2018
10 Nov
'18
2:40 a.m.
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(a)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(a)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(a)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(a)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(a)gmail.com> şunları yazdı (9 Kas 2018 16:30):
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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
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