[SR-Users] Stateless non200 ACK processing

Daniel-Constantin Mierla miconda at gmail.com
Thu Dec 20 13:34:58 CET 2018


Hello,

I haven't looked at specs: is there a requirement that the branch for
ACK of negative replies to be same as for INVITE for a stateless proxy?

A stateless proxy forgets everything about the INVITE as soon as it
sends it out and start processing the next request.

Eventually we can look at the code and see if we can use the same
algorithm to generate the branch value.

Cheers,
Daniel

On 19.12.18 22:31, Serge S. Yuriev wrote:
> Hello,
>
> Anyone?
>
> -- 
> Wbr, Serge via mobile
>
> 17.12.2018, 19:48, "Serge S. Yuriev" <me at nevian.org>:
>>
>> Hello,
>>
>> I'm trying to build pretty simple stateless proxy to stay between gw and
>> softswitch. Most working properly but not for non200 ACKs.
>> For some reason softswitch not accepting my ACK.
>> Trace (note different branch in top Via for INVITE and ACK towards
>> switch)
>> https://pastebin.freeswitch.org/view/8f1433b0
>> Simplified script
>> https://pastebin.com/u9DTSqcS
>>
>> I'm pretty new to this so believe doing something wrong.
>>
>> -- 
>> Serge S. Yuriev
>> Senior VoIP engineer
>>
>>
>>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
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