[SR-Users] Kamailio IMS with ENUM

[Valentin Christoph]

I don't know your DNS server nor your addressing plan. Probably to modify / add some zone files

You must be sure to forward the ranges of telephone numbers that you want to forward to the other domain.

Actually, it DID the request to the DNS/ENUM, but the result was "keep the domain as it is" or "replace it by the own domain"

If the DNS/ENUM query did NOT succeed, then you would run into route(PSTN) and the request would be forwarded to "good old CS domain" to find a destination.

-----Ursprüngliche Nachricht-----
Von: sr-users <sr-users-bounces at lists.kamailio.org> Im Auftrag von BALL SUN
Gesendet: Mittwoch, 24. Juni 2020 16:49
An: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Betreff: Re: [SR-Users] Kamailio IMS with ENUM

yes. when the HSS profile is not found, it did not route to DNS/ENUM to check, which portion of configuration should I check?

On Wed, Jun 24, 2020 at 5:31 PM Valentin Christoph <Christoph.Valentin at kontron.com> wrote:
>
> This means the HSS had answered the user is not known in this domain (lir_term_user_unknown), but then the DNS server insists this telephone number should be handled by our domain ($rd == NETWORKNAME).
>
> Just enter the user to the HSS database - if it shall be handled by 
> this domain -
>
> Or configure DNS, so that this telephone number is routed to another domain. - if it shall be handled by a different domain.
>
> -----Ursprüngliche Nachricht-----
> Von: sr-users <sr-users-bounces at lists.kamailio.org> Im Auftrag von 
> BALL SUN
> Gesendet: Dienstag, 23. Juni 2020 16:40
> An: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
> Betreff: Re: [SR-Users] Kamailio IMS with ENUM
>
> Thanks. I actually keep having "604","Does not exist anywhere - HSS User Unknown", so by right, I-CSCF should go to check the ENUM, but it didn't so what configuration I should enable? is it dispatcher list and needed to enabkle PEERING? below is the routine that related to "604","Does not exist anywhere - HSS User Unknown" in icscf.
>
> - RBK
>
> route[lir_term_user_unknown]
> {
> if (uri =~ "tel:.*") {
> # Let's check, if the number can be found in ENUM:
> if(!enum_query()) {
> # ENUM failed, send it to the PSTN-Gateway:
> route(PSTN);
> break;
> }
> # ENUM resolved to another domain
> if ($rd != NETWORKNAME) {
> t_on_reply("initial_request_reply");
> t_on_failure("initial_request_failure");
> if (!t_relay()) {
> t_reply("500","Error forwarding to external domain"); exit; }; exit; } else { t_reply("604","Does not exist anywhere - HSS User Unknown"); exit; }; } else { # we received a request for our domain (non-tel), but HSS said "User Unknown"
> if ($rd != NETWORKNAME) {
> t_reply("604","Does not exist anywhere - HSS User Unknown"); exit; } 
> else { # try to forward non-tel request to other domain 
> t_on_reply("Initial_Request_reply");
> t_on_failure("Initial_Request_failure");
> if (!t_relay()) {
> t_reply("500","Error forwarding to external domain"); exit; }; exit; 
> }; }; } }
>
> On Tue, Jun 23, 2020 at 8:40 PM Valentin Christoph <Christoph.Valentin at kontron.com> wrote:
> >
> > The  example I-CSCF and S-CSCF configurations at misc/examples/ims contain usage of the enum module, afaik.
> > This could be easily adapted or taken as an example.
> >
> > -----Ursprüngliche Nachricht-----
> > Von: sr-users <sr-users-bounces at lists.kamailio.org> Im Auftrag von 
> > BALL SUN
> > Gesendet: Dienstag, 23. Juni 2020 08:53
> > An: Kamailio (SER) - Users Mailing List 
> > <sr-users at lists.kamailio.org>
> > Betreff: [SR-Users] Kamailio IMS with ENUM
> >
> > Hi
> >
> > Is there any information that can help to setup ENUM query in 
> > Kamailio IMS? what we wanted to achieve is to when A in domain A 
> > (the local
> > domain) makes an INVITE to B, it will check the domain of B from ENUM backend.
> >
> > if it is not on the local domain, it will route to remote IMS core.
> >
> > Thanks
> >
> > - RBK
> >
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