[OpenSIPS-Users] Issue with call scenario.

Miha miha at softnet.si
Fri May 23 13:06:32 CEST 2014


Hi Bogdan,

tnx you for your quick respons and explenation.

br
miha

Dne 5/23/2014 12:14 PM, piše Bogdan-Andrei Iancu:
> Hi Miha,
>
> It looks like the UAC is doing a retransmission of the INVITE with 
> credentials - do you have enabled the nonce checking for re-usage (see 
> http://www.opensips.org/html/docs/modules/1.11.x/auth.html#id293610) ?
> If is active, the first INVITE with be accepted by auth and pushed for 
> further routing; while the re-transmission will die in auth (as the 
> nonce was already used) and a challenge will be sent back. Basically 
> the initial INVITE and the re-transmission are differently handled, 
> which is not right.
>
> What to do ? either disable the nonce checking (as both INVITEs will 
> succeed in auth) or do re-transmission checking before auth code (use 
> t_newtran() for that).
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
> On 23.05.2014 10:46, Miha wrote:
>> Hi,
>>
>> I am noticing strange thing. On one of our UAC's we are experiancing 
>> strange behaviour.
>>
>> UAC -> INVITE->OPENSIPS
>> OPENSIPS->Proxy_Autehentication->UAC
>> UAC->ACK->Opensips
>> UAC->INVITE(with credentials)->OPENSIPS
>> UAC->INVITE(with credentials)->OPENSIPS
>> OPENSIPS->Proxy_Autehentication->UAC
>> ..
>> .
>> .
>> .
>> Why is sending Opensips again Proxy_autehntication? After second time 
>> call is accepted but then UAC behaves strange.
>>
>> Here is sip trace: http://pastebin.com/zigbJTRd
>>
>> tnx!
>>
>> br
>> miha
>>
>> _______________________________________________
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>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>
>




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