[SR-Users] Relaying ACK to Asterisk

Daniel-Constantin Mierla miconda at gmail.com
Wed Oct 1 13:52:49 CEST 2014


Hello,

if you have a multi-domain environment, how you can decide which domain 
is the user in if the address is the IP of the server? Or do you have 
unique usernames across all domains and the location is not in 
multi-domain mode?

Cheers,
Daniel

On 01/10/14 11:18, Igor Potjevlesch wrote:
> Hello,
>
> Any idea on how can I manage this? I'm still stuck in this issue.
> If I remove the IP address from domain table, it works but many REGISTER
> fails because the R-URI only contains sip:<IP_KAMAILIO/ASTERISK> without the
> port.
>
> Many thanks for your help.
>
> Regards,
>
> Igor.
>
> -----Message d'origine-----
> De : Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> Envoyé : jeudi 25 septembre 2014 17:45
> À : andres at telesip.net; 'Kamailio (SER) - Users Mailing List'
> Objet : RE: [SR-Users] Relaying ACK to Asterisk
>
> Yes you're right. But many SIP requests come with R-URI
> sip:<IP_KAMAILIO/ASTERISK> without the port.
> So the test "is_from_local" fails.
>
> Regards,
>
> Igor.
>
> -----Message d'origine-----
> De : sr-users-bounces at lists.sip-router.org
> [mailto:sr-users-bounces at lists.sip-router.org] De la part de Andres Envoyé :
> jeudi 25 septembre 2014 15:54 À : Kamailio (SER) - Users Mailing List
> Objet : Re: [SR-Users] Relaying ACK to Asterisk
>
> On 9/25/14, 9:17 AM, Igor Potjevlesch wrote:
>> I just identified that if "IP_KAMAILIO/ASTERISK" is set into domain
>> table,
> As I said before, what you need to use is IP_KAMAILIO/ASTERISK:5060.
> If you use it without the port, it will match also when directed to your
> Asterisk server residing on the same IP and loop inside Kamalio without
> being routed properly.
>> the issue occured.
>> If I delete this entry, the ACK is properly relayed.
>>
>> The thing is that I use domain table for this check in REQ_INIT:
>> if (!has_totag()) {
>>                   if (!is_uri_host_local()) {
>>                           if (is_from_local() || allow_trusted()) {
>>                                   xlog("L_WARN","time=[$Tf] call
>> id=[$ci] call seq=[$cs] contact header=[$ct] from uri=[$fu] from
>> tag=[$ft] request's method=[$rm] request's uri=[$ru] to uri=[$tu] to
>> tag=[$tt] sip message id=[$mi] process id=[$pp] ip source=[$si]
>> flags=[$mf],  From the trusted source\n");
>>                                   return;
>>                           }
>>                           else{
>>                                   xlog("L_WARN","time=[$Tf] call
>> id=[$ci] call seq=[$cs] contact header=[$ct] from uri=[$fu] from
>> tag=[$ft] request's method=[$rm] request's uri=[$ru] to uri=[$tu] to
>> tag=[$tt] sip message id=[$mi] process id=[$pp] ip source=[$si]
> flags=[$mf],  Relay Forbidden\n");
>>                                   sl_send_reply("403", "Relay Forbidden");
>>                           };
>>                           exit;
>>                   };
>>           };
>>
>> Regards,
>>
>> Igor.
>>
>> -----Message d'origine-----
>> De : Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
>> Envoyé : jeudi 25 septembre 2014 14:45 À : 'Kamailio (SER) - Users
>> Mailing List'
>> Objet : RE: [SR-Users] Relaying ACK to Asterisk
>>
>> Hello Klaus,
>>
>> Thank you for the translation ;)
>> Here is the config:
>>
>> /* add local domain aliases */
>> alias=sip.domain.tld
>>
>> /* uncomment and configure the following line if you want Kamailio to
>>      bind on a specific interface/port/proto (default bind on all
>> available) */
>> listen=udp:IP_KAMAILIO/ASTERISK:5060
>> listen=udp:IP_KAMAILIO_LAN:5060
>>
>> The 'domain' table is populated as follow:
>> id | domain
>> 1	<IP_KAMAILIO/ASTERISK>
>> 2	sip.domain.tld
>> 3	<hostname_server>
>> 4	sip.domain.tld
>>
>> Regards,
>>
>> Igor.
>>
>>
>> -----Message d'origine-----
>> De : sr-users-bounces at lists.sip-router.org
>> [mailto:sr-users-bounces at lists.sip-router.org] De la part de Klaus
>> Darilion Envoyé : jeudi 25 septembre 2014 13:16 À : Kamailio (SER) -
>> Users Mailing List Objet : Re: [SR-Users] Relaying ACK to Asterisk
>>
>> Something is going wrong here:
>>
>> On 24.09.2014 18:41, Igor Potjevlesch wrote:
>>> DEBUG: rr [loose.c:90]: is_preloaded(): is_preloaded: No
>> That's correct. The ACK is not pre-loaded (with a route set).
>>
>> Checking first local URI (either alias= or listen= statement)
>>> DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info -
>>> checking if host==us: 14==14 && [<IP_KAMAILIO_ASTERISK>] ==
>>> [<IP_KAMAILIO_ASTERISK>]
>>> DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info -
>>> checking if port 5060 (advertise 0) matches port 4060
>> Checking seconf local URI (either alias= or listen= statement)
>>> DEBUG: <core> [socket_info.c:583]: grep_sock_info(): grep_sock_info -
>>> checking if host==us: 14==12 && [<IP_KAMAILIO_ASTERISK>] ==
>>> [192.168.0.19]
>>> DEBUG: <core> [socket_info.c:587]: grep_sock_info(): grep_sock_info -
>>> checking if port 5060 (advertise 0) matches port 4060
>>> DEBUG: <core> [forward.c:448]: check_self(): check_self: host != me
>> Correctly detects that the RURI does not address Kamailio, but
>>
>>> DEBUG: rr [loose.c:674]: after_strict(): Next hop:
>>> 'sip:<IP_KAMAILIO_ASTERISK>;lr=on' is loose router
>> This means, that check_self returned 1 (match) although it didn't matched.
>> This means that the _check_self_func_list (forward.c) is populated and
>> matches the RURI.
>>
>> Thus, the RURI does not match one of the "standard" aliases (the ones
>> learned by the listen=... statements) but some other module registered
>> a callback which returns MATCH, and thus Kamailio thinks the previous
>> hop is a strict router:
>>
>>> DEBUG: rr [loose.c:724]: after_strict(): The last route URI:
>>> 'sip:<IP_KAMAILIO_ASTERISK>;lr=on'
>> please post your complete alias=.... and listen=... config.
>>
>> Further, I suspect that you register additional aliases via "domain"
>> or "corex" module and these additional aliases match the RURI. So
>> review your domain and corex configuration.
>>
>> regards
>> Klaus
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>> list sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>>
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>>
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda




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