[SR-Users] topos and PRACK problem

[Sergey Basov]

Hi Daniel.

I does not see problem with parallel forking to 2 destinations.

I will send 2 dumps in private email.
--
Best regards,
Sergey Basov                     e-mail: sergey.v.basov at gmail.com


2017-04-27 15:34 GMT+03:00 Sergey Basov <sergey.v.basov at gmail.com>:
> May be, but there is one more problem.
>
> I just test call to CSIPSimple softphone, it does not returm 183, it
> just return 180 Ringing.Call was not answered for some time, and I
> decide to terminate it from the caller side.
> BYE massege goes wrong, to recor-route value, as PRACK before, because
> contact from CSIPSimple side was not get from 180, call was not
> answered so 200 OK was not send.
> And topos doea not have contact value to send by to CSIPSimple.
>
> I will send dump to your private e-mail, it has real IP adreses.
>
> Thank you.
> --
> Best regards,
> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>
>
> 2017-04-27 15:12 GMT+03:00 Daniel-Constantin Mierla <miconda at gmail.com>:
>> Hello,
>>
>> although I just looked briefly at the patch, I think that works in case
>> of a single branch sent out, but if there is going to be a parallel
>> forking to two or more destinations, this is not going to work.
>>
>> Cheers,
>> Daniel
>>
>> On 27.04.17 13:33, Sergey Basov wrote:
>>> Hi, Daniel.
>>>
>>> Seems I found how to fix PRACK handling.
>>>
>>> It works for me.
>>>
>>> please lock at https://github.com/kamailio/kamailio/pull/1097
>>>
>>> Thank you.
>>> --
>>> Best regards,
>>> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>
>>>
>>> 2017-04-27 13:04 GMT+03:00 Sergey Basov <sergey.v.basov at gmail.com>:
>>>> Yes, you are right.
>>>>
>>>> But now before 200 OK there empty field b_contact.
>>>>
>>>> May be you does not populate it from contact in 183 Progress?
>>>>
>>>> I see that this field is not empty only after 200 OK with a Contact field.
>>>> --
>>>> Best regards,
>>>> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>>
>>>>
>>>> 2017-04-27 12:37 GMT+03:00 Daniel-Constantin Mierla <miconda at gmail.com>:
>>>>> Hello,
>>>>>
>>>>> thanks for troubleshooting further. I haven't got the time to look at
>>>>> the source code, but I expect that the b-leg attributes (contact, record
>>>>> routes) to be set on 200ok for dialog (topos_d). I think for PRACK, the
>>>>> routing information should be stored and taken from transaction (topos_t).
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>> On 27.04.17 11:29, Sergey Basov wrote:
>>>>>> Hi, Daniel.
>>>>>>
>>>>>> I just done one more test topos with re-invite which comes from caller
>>>>>> to callee, same direction as PRACK.
>>>>>>
>>>>>> And I found that, in case of prack, b_contact field is empty...
>>>>>>
>>>>>> Please find attached debug=3 part of re-invite message.
>>>>>>
>>>>>> Hope it helps.
>>>>>> --
>>>>>> Best regards,
>>>>>> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>>>>
>>>>>>
>>>>>> 2017-04-27 10:30 GMT+03:00 Sergey Basov <sergey.v.basov at gmail.com>:
>>>>>>> Hi, Daniel
>>>>>>>
>>>>>>> Please look at attached part of debug=3 while receiving and parsing PRACK.
>>>>>>> At line 208 seems rr module does not find correct part of record_route
>>>>>>> which in DB consists from 2 parts.
>>>>>>>
>>>>>>> So at line 219 and later uac module cannot restore uris.
>>>>>>>
>>>>>>> Thank you.
>>>>>>> --
>>>>>>> Best regards,
>>>>>>> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>>>>>
>>>>>>>
>>>>>>> 2017-04-26 17:08 GMT+03:00 Sergey Basov <sergey.v.basov at gmail.com>:
>>>>>>>> Thanks for workaround.
>>>>>>>>
>>>>>>>> But I will wait for you solution )
>>>>>>>>
>>>>>>>> I ready for testing )
>>>>>>>>
>>>>>>>> Thank you Daniel for your work!
>>>>>>>>
>>>>>>>> --
>>>>>>>> Best regards,
>>>>>>>> Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>>>>>>>
>>>>>>>>
>>>>>>>> 2017-04-26 16:57 GMT+03:00 Daniel-Constantin Mierla <miconda at gmail.com>:
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 26.04.17 14:53, Sergey Basov wrote:
>>>>>>>>>> Hi All.
>>>>>>>>>>
>>>>>>>>>> I have just try to test topos with GW which requires PRACK.
>>>>>>>>>>
>>>>>>>>>> As you can see UA at packet 21 send PRACK to topos contact, but after
>>>>>>>>>> topos, on other kamailio side in PRACK request line present not
>>>>>>>>>> kontact but record-route header.
>>>>>>>>>>
>>>>>>>>>> Can you fix it?
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> probably needs to look into the code. If you need a quick workaround,
>>>>>>>>> try to remove Supported header from INVITE so the callee should no
>>>>>>>>> longer Require 100rel.
>>>>>>>>>
>>>>>>>>> Cheers,
>>>>>>>>> Daniel
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Daniel-Constantin Mierla
>>>>>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>>>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>>>>>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>>>> sr-users at lists.kamailio.org
>>>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>>> --
>>>>> Daniel-Constantin Mierla
>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>>
>>
>> --
>> Daniel-Constantin Mierla
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>