Comment inline.

Hope I'm helping,


On 11/21/2017 12:32 PM, Amar Tinawi wrote:
Thank you Daniel :

Actually i followed your tutorial, but in case of IMS the modifications should be on (my assumption) S-CSCF, in this case all routing block should be routed towards AS ?

In order to route the call to Asterisk you should define it as AS/MMtel in your HSS. Define proper TP and iFC for the subscriber profiles.
i followed also Mr Carsten Bock videos on kamailio World conferences for the years 2015 - 2016 - 2017 and he mentioned clearly that any application that talk sip can operate as an AS, and he mentionedAsterisk and FreeSwitch as an example Thanks Mojtaba, i followed this video but the video at the end shows that the users still in offline mode after registration, is that right ?
My questions are :
- should i configure Asterisk in a way to be AS for kamailio IMS ?
For sure you should configure Asterisk to handle originating and terminating call legs from/to S-CSCF. From Asterisk perspective the easiest way is S-CSCF to be a SIP trunk. (Note that this may not be 100% true and depends on the design)
- should the users be identified in Asterisk Database in order to make a correlation ? or asterisk can pull users profiles from HSS ?
As far I know there is no DIAMETER/Sh support in Asterisk. Related and to Q below too.
- Do we have to perform any configuration over HSS to identify sh interface with Asterisk ?
You have  2 options in general here, to have or not subscribers in Asterisk. Easiest way is to not. Assuming that all your subscribers are same from service point of view you can handle everything in routing w/o having any subscriber profile in Asterisk. Second option is a matter of design and there is no simple answer.

Keep in mind that SIP and IMS services differs. When using * or FreeSWITCH as SIP MMtel w/ SIP clients in IMS env, you can relatively easy implement known SIP services. Implementing MMTel IMS services w/ IMS clients is a different story.
if you can send me the Astriconvideo it would be great

On Tue, Nov 21, 2017 at 10:29 AM, Daniel-Constantin Mierla <mico...@gmail.com <mailto:mico...@gmail.com>> wrote:


    personally I do not have any time these days to search or look at
    documents/videos/etc... to see what TAS are supposed to be -- a lot of
    stuff to do for upcoming kamailio 5.1 in the spare time.

    On the other hand, at the last edition of Astricon, Carsten Bock
    (one of
    the ims extensions developer in kamailio) had a presentation about
    Asterisk for IMS -- I had to be at the Kamailio booth in Astricon expo
    area, so I couldn't attend it -- maybe the videos from Astricon are
    already published and you can watch it, if not, probably they will be
    released soon.


    On 21.11.17 09:06, Mojtaba wrote:
    > Hello,
    > Maybe this link be useful to understanding the concept of Asterisk
    > working as Telephone Application Servers(TAS) in IMS core network.
    > https://www.youtube.com/watch?v=3nVRpzkUbIg
    > With Regards. Mojtaba
    > On Mon, Nov 20, 2017 at 5:14 PM, Amar Tinawi
    <amar.tin...@gmail.com <mailto:amar.tin...@gmail.com>> wrote:
    >> Dears;
    >> Good day !
    >> is it possible to use Asterisk pbx server as an Application
    server for the
    >> kamailio IMS users ? as if i want to correlate an IMS user with
    an extension
    >> number.
    >> My though is kamailio ims  will handle the registration
    process  and
    >> authentication and Asterisk will deal with IMS users as they
    are PBX users
    >> to get all asterisk's benefits (call conference, monitoring,
    waiting, voice
    >> mail ... etc)
    >> i'm thinking to integrate Asterisk with S-cscf, and when an IMS
    >> register to the IMS to domain, a trigger will initiate the
    S-cscf to send
    >> notify to asterisk .
    >> i didnt find any solution or tutorial for this procedure, and
    idont know if
    >> it is possible to be done.
    >> Regards
    >> Ammar
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