[Freeswitch-users] NAPTR and TCP transport

Tue Nov 10 02:29:33 MSK 2015

I think your NAPTR records are wrong.  I'll double check.

On Mon, Nov 9, 2015 at 5:24 PM, Stanislav Sinyagin <ssinyagin at gmail.com>
wrote:

> Brian, it doesn't look like there's a dependency on priority and weight:
> the domain "tdemo.voxserv.net" has only one NAPTR record, and it's not
> taken into account. I will file a jira ticket for this.
>
>
> sres.c:3572 sres_log_response() sres_resolver_receive(0xb5001798,
> 0xb5075bd8) id=32124 (from [10.1.31.38]:53)
> nta.c:10465 outgoing_answer_naptr() nta: tdemo.voxserv.net. IN NAPTR 100
> 100 "S" "SIP+D2T" "" _sip._tcp.demo.voxserv.net. (tport not used)
> nua_stack.c:271 nua_stack_event() nua(0xb5637938): event r_invite 503 DNS
> Error
>
> On Mon, Nov 9, 2015 at 9:15 PM, Brian West <brian at freeswitch.org> wrote:
>
>> Set the priority to 0  (tcp) and 20 (udp), then the weight to 0 on both.
>> Then swap the priorities and see if sofia is just dyslexic
>>
>>
>> /b
>>
>> On Mon, Nov 9, 2015 at 12:01 PM, Lawrence Conroy <lconroy at insensate.co.uk
>> > wrote:
>>
>>> Hi again,
>>>  thanks for putting up the tdemo zone.
>>> Looking at your log, fS DOES get both NAPTRs and process them in the
>>> correct order. fS *is* doing the sorting, as your DNS server appears to
>>> round robin randomisation on the records in the DNS. Good news: fS gets and
>>> parses the DNS correctly; Bad news: behaviour must be in the bowels of
>>> Sofia :/
>>> all the best & thanks
>>>   Lawrence
>>>
>>> On 9 Nov 2015, at 16:59, Stanislav Sinyagin <ssinyagin at gmail.com> wrote:
>>>
>>> > the user at domain is a remote SIP URI, and the DNS points to port 5080
>>> on the remote server.
>>> >
>>> > Here's sofia loglevel 9. It receives two NAPTR records, and takes the
>>> one for SIP. It prints "tport not used" -- probably that's the clue why it
>>> doesn't try to use TCP.
>>> >
>>> >
>>> >
>>> >
>>> > sres.c:3572 sres_log_response() sres_resolver_receive(0x17af08,
>>> 0x1a3ff8) id=36650 (from [10.1.31.38]:53)
>>> > nta.c:10465 outgoing_answer_naptr() nta: demo.voxserv.net. IN NAPTR
>>> 100 100 "S" "SIP+D2T" "" _sip._tcp.demo.voxserv.net. (tport not used)
>>> > nta.c:10465 outgoing_answer_naptr() nta: demo.voxserv.net. IN NAPTR
>>> 110 100 "S" "SIP+D2U" "" _sip._udp.demo.voxserv.net.
>>> > sres_cache.c:272 sres_cache_get() sres_cache_get(0x164408, SRV, "_sip._
>>> udp.demo.voxserv.net.") called
>>> > sres_cache.c:318 sres_cache_get() sres_cache_get(0x164408, SRV, "_sip._
>>> udp.demo.voxserv.net.") returned 1 entries
>>> > nta.c:10598 outgoing_query_srv() nta: for "demo.voxserv.net" query
>>> "_sip._udp.demo.voxserv.net." SRV (cached)
>>> > nta.c:10694 outgoing_answer_srv() nta: _sip._udp.demo.voxserv.net. IN
>>> SRV 10 0  5080 ph02.trrtrr.net. (udp)
>>> >
>>> >
>>> >
>>> >
>>> > On Mon, Nov 9, 2015 at 5:36 PM, Brian West <brian at freeswitch.org>
>>> wrote:
>>> > sofia loglevel all 9, watch the debug, is user at domain locally
>>> registered or a remote user/domain?
>>> >
>>> > On Mon, Nov 9, 2015 at 9:45 AM, Stanislav Sinyagin <
>>> ssinyagin at gmail.com> wrote:
>>> > the records are actually documented here, and you can feel free to
>>> > send calls to these extensions:
>>> > http://voxserv.ch/demolab.html
>>> >
>>> > The "tdemo.voxserv.net" points to the same service, but for TCP only.
>>> >
>>> >
>>> >
>>> >
>>> > On Mon, Nov 9, 2015 at 4:00 PM, Lawrence Conroy <
>>> lconroy at insensate.co.uk> wrote:
>>> > > Hi there,
>>> > >  from experience of running NAPTR record interops, it was common for
>>> libraries/apps to ignore the "weights" and just take the first record in
>>> the DNS message.
>>> > > [I don't have recent fS source to hand to check].
>>> > >
>>> > > More interesting is your comment that, with a single NAPTER, fS
>>> silently fails.
>>> > > Perhaps give an example by removing the 100/110 udp NAPTR (just
>>> leaving the tcp NAPTR)?
>>> > > [and flushing the fS local DNS cache, of course :]
>>> > >
>>> > > all the best,
>>> > >   Lawrence
>>> > >
>>> > >
>>> > > On 9 Nov 2015, at 13:17, Stanislav Sinyagin <ssinyagin at gmail.com>
>>> wrote:
>>> > >
>>> > >> $ dig naptr demo.voxserv.net
>>> > >>
>>> > >> ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> naptr demo.voxserv.net
>>> > >> ;; global options: +cmd
>>> > >> ;; Got answer:
>>> > >> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19044
>>> > >> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
>>> > >>
>>> > >> ;; QUESTION SECTION:
>>> > >> ;demo.voxserv.net.              IN      NAPTR
>>> > >>
>>> > >> ;; ANSWER SECTION:
>>> > >> demo.voxserv.net.       600     IN      NAPTR   110 100 "S"
>>> "SIP+D2U" "" _sip._udp.demo.voxserv.net.
>>> > >> demo.voxserv.net.       600     IN      NAPTR   100 100 "S"
>>> "SIP+D2T" "" _sip._tcp.demo.voxserv.net.
>>> > >>
>>> > >> ;; Query time: 206 msec
>>> > >> ;; SERVER: 91.214.168.168#53(91.214.168.168)
>>> > >> ;; WHEN: Mon Nov  9 14:17:30 2015
>>> > >> ;; MSG SIZE  rcvd: 144
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >> On Mon, Nov 9, 2015 at 1:41 PM, Brian West <brian at freeswitch.org>
>>> wrote:
>>> > >> You're in a NAPTR records may be incorrect, example pleas
>>> > >>
>>> > >>
>>> > >> On Monday, November 9, 2015, Stanislav Sinyagin <
>>> ssinyagin at gmail.com> wrote:
>>> > >> If I specify a bridge destination as "sofia/external/USER at DOMAIN",
>>> and
>>> > >> that domain has a NAPTR record specifying TCP transport as more
>>> > >> preferred, FreeSWITCH is still sending a UDP INVITE.
>>> > >>
>>> > >> If the domain has only a NAPTR record for TCP transport, the call
>>> > >> fails without sending any INVITE.
>>> > >>
>>> > >> It works with TCP if I add ";transport=tcp" to the bridge string.
>>> > >>
>>> > >> does this look like a bug, or it was set so with some reason?
>>> > >>
>>> > >>
>>> _________________________________________________________________________
>>> > >> Professional FreeSWITCH Consulting Services:
>>> > >> consulting at freeswitch.org
>>> > >> http://www.freeswitchsolutions.com
>>> > >>
>>> > >> Official FreeSWITCH Sites
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>>> > >>
>>> > >> FreeSWITCH-users mailing list
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>>> > >>
>>> > >>
>>> > >> --
>>> > >> Brian West
>>> > >> brian at freeswitch.org
>>> > >>
>>> > >>
>>> > >>
>>> > >> Twitter: @FreeSWITCH , @briankwest
>>> > >> http://www.freeswitchbook.com
>>> > >> http://www.freeswitchcookbook.com
>>> > >>
>>> > >> Got Bugs? Report them here! | Reddit: /r/freeswitch
>>> > >>
>>> > >> T:+19184209001 | F:+19184209002 | M:+1918424WEST (9378)
>>> > >> iNUM:+883 5100 1420 9001 | ISN:410*543 | Skype:briankwest
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> _________________________________________________________________________
>>> > >> Professional FreeSWITCH Consulting Services:
>>> > >> consulting at freeswitch.org
>>> > >> http://www.freeswitchsolutions.com
>>> > >>
>>> > >> Official FreeSWITCH Sites
>>> > >> http://www.freeswitch.org
>>> > >> http://confluence.freeswitch.org
>>> > >> http://www.cluecon.com
>>> > >>
>>> > >> FreeSWITCH-users mailing list
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>>> > >> http://www.freeswitch.org
>>> > >>
>>> > >>
>>> _________________________________________________________________________
>>> > >> Professional FreeSWITCH Consulting Services:
>>> > >> consulting at freeswitch.org
>>> > >> http://www.freeswitchsolutions.com
>>> > >>
>>> > >> Official FreeSWITCH Sites
>>> > >> http://www.freeswitch.org
>>> > >> http://confluence.freeswitch.org
>>> > >> http://www.cluecon.com
>>> > >>
>>> > >> FreeSWITCH-users mailing list
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>>> > >> http://www.freeswitch.org
>>> > >
>>> > >
>>> > >
>>> _________________________________________________________________________
>>> > > Professional FreeSWITCH Consulting Services:
>>> > > consulting at freeswitch.org
>>> > > http://www.freeswitchsolutions.com
>>> > >
>>> > > Official FreeSWITCH Sites
>>> > > http://www.freeswitch.org
>>> > > http://confluence.freeswitch.org
>>> > > http://www.cluecon.com
>>> > >
>>> > > FreeSWITCH-users mailing list
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>>> >
>>> >
>>> _________________________________________________________________________
>>> > Professional FreeSWITCH Consulting Services:
>>> > consulting at freeswitch.org
>>> > http://www.freeswitchsolutions.com
>>> >
>>> > Official FreeSWITCH Sites
>>> > http://www.freeswitch.org
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>>> > http://www.cluecon.com
>>> >
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>>> >
>>> >
>>> >
>>> > --
>>> > Brian West
>>> > brian at freeswitch.org
>>> >
>>> >
>>> >
>>> > Twitter: @FreeSWITCH , @briankwest
>>> > http://www.freeswitchbook.com
>>> > http://www.freeswitchcookbook.com
>>> >
>>> > Got Bugs? Report them here! | Reddit: /r/freeswitch
>>> >
>>> > T:+19184209001 | F:+19184209002 | M:+1918424WEST (9378)
>>> > iNUM:+883 5100 1420 9001 | ISN:410*543 | Skype:briankwest
>>> >
>>> >
>>> >
>>> _________________________________________________________________________
>>> > Professional FreeSWITCH Consulting Services:
>>> > consulting at freeswitch.org
>>> > http://www.freeswitchsolutions.com
>>> >
>>> > Official FreeSWITCH Sites
>>> > http://www.freeswitch.org
>>> > http://confluence.freeswitch.org
>>> > http://www.cluecon.com
>>> >
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>>> >
>>> >
>>> _________________________________________________________________________
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>>> > consulting at freeswitch.org
>>> > http://www.freeswitchsolutions.com
>>> >
>>> > Official FreeSWITCH Sites
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>>> > http://www.cluecon.com
>>> >
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>>>
>>> _________________________________________________________________________
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>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
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>>>
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>>>
>>
>>
>>
>> --
>>
>> *Brian West*
>> brian at freeswitch.org
>>
>>
>> *Twitter: @FreeSWITCH , @briankwest*
>> http://www.freeswitchbook.com
>> http://www.freeswitchcookbook.com
>>
>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
>> /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>
>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
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>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
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> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>

-- 

*Brian West*
brian at freeswitch.org

*Twitter: @FreeSWITCH , @briankwest*
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com

Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
/r/freeswitch <https://www.reddit.com/r/freeswitch>

*T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
*iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
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