[SR-Users] Kamailio IMS with ENUM

Valentin Christoph Christoph.Valentin at kontron.com
Wed Jun 24 11:08:27 CEST 2020


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.

-----Urspr√ľngliche 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.
>
> -----Urspr√ľngliche 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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