[SR-Users] Kamailio - DMQ dns srv Question

José Seabra joseseabra4 at gmail.com
Thu Sep 22 13:18:56 CEST 2016


Hello Daniel and Charles,
Thank you for your feedback.
Another doubt is when we use a FQDN that only resolves as A record, would
be better DMQ send only a A query or is there any reason for always try SRV?

Thank you for your great job.

BR
José Seabra

2016-09-22 8:33 GMT+01:00 Charles Chance <charles.chance at sipcentric.com>:

> Hello,
>
> I can take a look today.
>
> Cheers,
> Charles
>
> On 22 Sep 2016 06:20, "Daniel-Constantin Mierla" <miconda at gmail.com>
> wrote:
>
>> Hello,
>>
>> I guess that the one who did the implementation of the srv query for dmq
>> hasn't "allocated" any service name. I haven't looked at the sources, but I
>> guess it should be a small patch to compose the srv dns string to be
>> queried -- maybe that part can be made a mod param so each can choose its
>> preferred service.
>>
>> Cheers,
>> Daniel
>>
>> On 21/09/16 19:28, José Seabra wrote:
>>
>> Hello,
>> I have a doubt related with DMQ dns behavior, I noticed that when
>> kamailio starts, it tries to resolve DMQ name configured on parameter
>> notification_address as the following sequence:
>>
>>    1. SRV
>>    2. A
>>    3. AAAA
>>
>>
>> Isn't supposed kamailio  try first resolve the  NAPTR DMQ name, and then
>> SRV?
>> I'm asking this because kamailio is trying resolve the SRV record without
>> any transport protocol specified on query, as my dns server only accepts
>> queries on the format "_Service._Proto.Name" the SRV will never be resolved.
>>
>> Thank you.
>> BR
>> --
>> José Seabra
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> --
>> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> Kamailio Advanced Training, Berlin, Oct 24-26, 2016 - http://www.asipto.com
>>
>>
>> _______________________________________________
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>>
>>
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-- 
Cumprimentos
José Seabra
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