[OpenSIPS-Users] B2Blogic, 200 OK issues

[Nick]

I deleted issue because I think so. :-)

--
Nick


2012/3/28 Bogdan-Andrei Iancu <bogdan at opensips.org>:
> Oh, I see - this is not a bug in b2b, it is more a scripting issue.
>
> Regards,
> Bogdan
>
>
> On 03/28/2012 01:38 PM, Nick wrote:
>>
>>     A        B2B        B
>> 1. --------->  --------->  INVITE
>> 2.<--------<--------- Trying/Ringing
>> 3.<--------<--------- 200 OK
>> 4. --------->  --------->  ACK
>>
>> "A" has external ip-address.
>> "B" is behind the NAT.
>>
>> In 200 OK "B" sends its local contact, like "192.168.0.1".
>> So, B2B sends ACK from itself to "B" to "192.168.0.1" address instead
>> of external address.
>>
>> It's okay because b2b knows nothing about NAT.
>> But with solution below I solved this problem.
>>
>> --
>> Nick
>>
>>
>> 2012/3/28 Bogdan-Andrei Iancu<bogdan at opensips.org>:
>>>
>>> Nick,
>>>
>>> Considering the scenario  A ->  b2b ->  B
>>>
>>> in the so called bogus contact ( in the 200 OK reply from b2b to A) you
>>> see
>>> the contact of B instead of the contact of b2b ?
>>>
>>> Regards,
>>> Bogdan
>>>
>>>
>>> On 03/28/2012 01:00 PM, Nick wrote:
>>>>
>>>> I don't know exactly, it is bug or it is not bug.
>>>>
>>>> I solved the problem this way (in global on_reply route):
>>>>
>>>> onreply_route {
>>>>     if ([here i filter only b2b replies]) {
>>>>          if (nat_uac_test("1")) fix_nated_contact();
>>>>          if ( (!search("^Content-Length:[ ]*0"))&&
>>>> (nat_uac_test("8")) ) fix_nated_sdp("10");
>>>>     }
>>>> }
>>>>
>>>> So, this commands executes before b2b_logic module and everything works
>>>> well.
>>>>
>>>> No NAT on this host (it processed on another proxies), but nathelper
>>>> only in onreply_route used.
>>>>
>>>> --
>>>> Nick
>>>>
>>>>
>>>> 2012/3/28 Bogdan-Andrei Iancu<bogdan at opensips.org>:
>>>>
>>>>> Hi Nick,
>>>>>
>>>>> I noticed you closed you bug report in this - was you original report
>>>>> invalid or ?
>>>>>
>>>>> Regards,
>>>>> Bogdan
>>>>>
>>>>>
>>>>> On 03/27/2012 07:38 AM, Nick wrote:
>>>>>>
>>>>>> B2Blogic module changes Contact header in INVITE and other SIP
>>>>>> requests, but doesn't change it in 200 OK reply.
>>>>>> The result is ACK from UAC goes to host from untouched Contact header,
>>>>>> but I think that Contact should be substituted by b2blogic module to
>>>>>> opensips contact, then ACK will go to right destination.
>>>>>>
>>>>>> --
>>>>>> Nick
>>>>>>
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users at lists.opensips.org
>>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>>>
>>>>> --
>>>>> Bogdan-Andrei Iancu
>>>>> OpenSIPS Founder and Developer
>>>>> http://www.opensips-solutions.com
>>>>>
>>>
>>> --
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developer
>>> http://www.opensips-solutions.com
>>>
>
>
> --
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>