[asterisk-users] Re :Re: Sip module and dns (Alyed)

Luis Silva luis.silva at dreamware.pt
Fri Mar 26 12:58:00 CDT 2010


>Just to check, have you set up
>srvlookup=yes
>
>under the general context in your sip.conf?
>
>Alyed

No, but I put it now but the result is the same. And googleing further
https://issues.asterisk.org/view.php?id=3723, it seems that is an old
issue...
Don't know for witch version is, 1.2?... But is what is happening to me. I'm
putting bind in the asterisk server and make some tests. 
The sip modules blocks in dns queries but if doesn't block in sip
registrations timeout that works for me...

Regards
Luis Silva  

>2010/3/26 Luis Silva <luis.silva at dreamware.pt>
>
>> Hi again,
>>
>> In other asterisk it happened the same... No internet, no justvoip
>> resolution, no sip...
>> Remove the trunk, sip up... I'm going to test using bind with a "local"
>> zone.
>> More ideas/suggestions?
>>
>> Regards
>> Luis Silva
>>
>>
>> >Hi ,
>> >
>> >I had some problems in the past with sip trunks, asterisk-users Digest,
>> > Vol
>> >68, Issue 4, message 6, and  had a reply (message 9) saying that It
could
>> be
>> >a dns issue.
>> >
>> >Well today I had a problem again with sip module and it really seams a
dns
>> >issue.
>> >
>> >I have an asterisk, version 1.4.26.1, that has 4 bri access and two sip
>> >trunks. I'm having internet access problems and when this happens and if
>> one
>> >of the trunks tries to reregister its panic time!!! All the sip peers
goes
>> >unreachable, trunks and phones,  and the sip module "freezes", sip
reload
>> >takes many many time to act.  My solution is to remove the sip trunks
from
>> >the configuration.
>> >
>> >But why this happens? Why If there is no dns resolution of the trunks
sip
>> >module "freezes" ? This is more strange because if by some reason the
>> >internet is down but still exists dns cache all is ok. (of course sip
>> trunks
>> >unreachable)
>>
>> >This is supposed to be like this? There is no dns tunning for
>> asterisk+sip?
>>
>> >To avoid this I'm starting to think putting bind in the asterisk server
>> and
>> >publishing there the zones of the sip trunks. (Or instead of names start
>> >using the ip's)
>>
>> >Any comments?
>>
>> >Regards,
>> >Luis Silva



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