[OpenSIPS-Users] Double via in MI generated NOTIFY
Stas Kobzar
stas.kobzar at modulis.ca
Thu Jun 4 15:20:28 CEST 2015
Yes, I had the same idea first, but lookup function is not available in
local_route.
Thanks,
On Thu, Jun 4, 2015 at 9:15 AM, Newlin, Ben <Ben.Newlin at inin.com> wrote:
> Can you not perform the lookup in local_route? Then you could send it
> where it is supposed to go without the need for the loop.
>
> Ben Newlin
>
> From: Stas Kobzar
> Reply-To: OpenSIPS users mailling list
> Date: Wednesday, June 3, 2015 at 8:45 PM
> To: OpenSIPS users mailling list
>
> Subject: Re: [OpenSIPS-Users] Double via in MI generated NOTIFY
>
> Yes, it resolves to itself. The domain is the one from OpenSIPS domains
> table.
> And this is actually what I want. I want OpenSIPS to find the contact
> from its locations table using function lookup("locations");
>
> And it works, OpenSIPS finds contact IP and sends NOTIFY to the phone.
> The only thing is that the packet has 2 Via headers with the same IP and
> port of OpenSIPS server.
>
> As I said, it works, but looks weird.
>
>
> On Wed, Jun 3, 2015 at 7:00 PM, Newlin, Ben <Ben.Newlin at inin.com> wrote:
>
>> It sounds like you may be sending the NOTIFY to yourself when you use
>> the domain name instead of the IP. Have you verified the address that the
>> domain resolves to? Is it the same as the OpenSIPS instance?
>>
>> Ben Newlin
>>
>> From: Stas Kobzar
>> Reply-To: OpenSIPS users mailling list
>> Date: Wednesday, June 3, 2015 at 6:00 PM
>> To: Bogdan-Andrei Iancu
>> Cc: OpenSIPS users mailling list
>> Subject: Re: [OpenSIPS-Users] Double via in MI generated NOTIFY
>>
>> Hi Bogdan,
>>
>> No, I do not use local_route at all.
>>
>> My code for these kind of notifies is in the beginning of the initial
>> part or main route after t_check_trans and looks like this:
>>
>>
>> ----------------------------------------------------------------------------------------
>> t_check_trans();
>>
>> # RFC3265: NOTIFY can not be outside SIP dialog.
>> # So we should drop the packet
>> if(is_method("NOTIFY")) {
>> # There is an exception: if this is a check-sync packet
>> # for phone configuration reload request
>> if($hdr(Event) =~ "check-sync"){
>> lookup("locations", "m");
>> xlog("L_INFO", "$ci|$rm| Send reboot request notify packet to
>> destination $ru");
>> t_relay();
>> exit();
>> }
>> send_reply("481","Dialog does not exists");
>> exit;
>> }
>>
>> ----------------------------------------------------------------------------------------
>>
>> I have tried different scenarios:
>> - Put this code before t_check_trans
>> - do not use lookup function
>> - replaced t_relay with forward
>>
>> Nothing helped.
>>
>> However, when I run fifo command using IP address in sip URI, like this:
>> opensipsctl fifo t_uac_dlg NOTIFY sip:7037 at 10.130.8.225 . . '"From: <
>> sip:7037 at voip.etsmtl.ca>;tag=8755a8d01aa27e903a6f4ccaf393f04\r\nTo: <
>> sip:7037 at voip.etsmtl.ca>\r\nEvent: check-sync\r\n"'
>>
>> then, the packet seems to send directly from local_route. Because, in
>> this case, I do not even see it in the logs.
>>
>> Thank you!
>> Stas
>>
>>
>>
>>
>> On Wed, Jun 3, 2015 at 11:05 AM, Bogdan-Andrei Iancu <
>> bogdan at opensips.org> wrote:
>>
>>> Hi Stas,
>>>
>>> Do you do any local_route stuff ? If yes, do you modify the RURI/DURI or
>>> other parts of the requests?
>>>
>>> Regards,
>>>
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>>>
>>> On 01.06.2015 17:42, Stas Kobzar wrote:
>>>
>>> Hello,
>>>
>>> I am sending NOTIFY packet with event "check-sync" to reload phone
>>> configuration.
>>>
>>> I am doing it with opensips FIFO mi.
>>>
>>> My command looks like this:
>>> opensipsctl fifo t_uac_dlg NOTIFY sip:7037 at 10.130.8.225 . . '"From: <
>>> sip:7037 at voip.etsmtl.ca>;tag=8755a8d01aa27e903a6f4ccaf393f04\r\nTo: <
>>> sip:7037 at voip.etsmtl.ca>\r\nEvent: check-sync\r\n"'
>>>
>>> When I use IP address in RURI (sip:7037 at 10.130.8.225) it works as
>>> expected.
>>>
>>> However, when I use domain name in RURI (like this:
>>> sip:7037 at campus.voip.etsmtl.ca) and my command looks like this:
>>> opensipsctl fifo t_uac_dlg NOTIFY sip:7037 at campus.voip.etsmtl.ca . .
>>> '"From: <sip:7037 at voip.etsmtl.ca>;tag=8755a8d01aa27e903a6f4ccaf393f04\r\nTo:
>>> <sip:7037 at voip.etsmtl.ca>\r\nEvent: check-sync\r\n"'
>>>
>>> I have two Via headers in my resulting NOTIFY packet with different
>>> branche tags:
>>>
>>> NOTIFY sip:7037 at 10.130.8.225 SIP/2.0.
>>> Via: SIP/2.0/UDP 10.130.8.20:5060;branch=z9hG4bK0872.598957f2.0.
>>> Via: SIP/2.0/UDP 10.130.8.20:5060;branch=z9hG4bK0872.498957f2.0.
>>> To: sip:7037 at campus.voip.etsmtl.ca.
>>> From: <sip:7037 at campus.voip.etsmtl.ca
>>> >;tag=734c62bd59eb9f33d3e6313898450dd1.
>>> CSeq: 10 NOTIFY.
>>> Call-ID: 693206c572f70ff6-19332 at 10.130.8.20.
>>> Max-Forwards: 69.
>>> Content-Length: 0.
>>> Server: ETS voip router01.
>>> Event: check-sync
>>> .
>>>
>>>
>>> In first case, I do not even see the packet in main route but I see it
>>> in local_route.
>>>
>>> In my second case I see it in main route but the packet is sent with
>>> double Via header.
>>>
>>> I am sure it is not my routing script, because I have just put a
>>> forward to some IP whenever NOTIFY is received and I still have this
>>> problem.
>>>
>>> Is it a known issue?
>>>
>>> Everything still works fine, but having a double Via in logs a bit
>>> confusing.
>>>
>>> Thank you,
>>> --
>>>
>>> Stas Kobzar
>>>
>>> Developeur VoIP / VoIP Developer
>>>
>>> ___________________
>>>
>>> Modulis.ca Inc.
>>>
>>> # Bureau / Office: 514-284-2020 x 246
>>>
>>> Email: s <http://firstname.lastname>tas.kobzar at modulis.ca
>>>
>>> https://www.modulis.com
>>>
>>> <https://www.modulis.com/es-url-001>
>>>
>>>
>>> _______________________________________________
>>> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>
>>>
>>
>>
>> --
>>
>> Stas Kobzar
>>
>> Developeur VoIP / VoIP Developer
>>
>> ___________________
>>
>> Modulis.ca Inc.
>>
>> # Bureau / Office: 514-284-2020 x 246
>>
>> Email: s <http://firstname.lastname>tas.kobzar at modulis.ca
>>
>> https://www.modulis.com
>>
>> <https://www.modulis.com/es-url-001>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>
>
> --
>
> Stas Kobzar
>
> Developeur VoIP / VoIP Developer
>
> ___________________
>
> Modulis.ca Inc.
>
> # Bureau / Office: 514-284-2020 x 246
>
> Email: s <http://firstname.lastname>tas.kobzar at modulis.ca
>
> https://www.modulis.com
>
> <https://www.modulis.com/es-url-001>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
--
Stas Kobzar
Developeur VoIP / VoIP Developer
___________________
Modulis.ca Inc.
# Bureau / Office: 514-284-2020 x 246
Email: s <http://firstname.lastname>tas.kobzar at modulis.ca
https://www.modulis.com
<https://www.modulis.com/es-url-001>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20150604/287bbf1b/attachment-0001.htm>
More information about the Users
mailing list