[OpenSER-Users] TM-module and ACK to 2xx (doesnt terminate txn?)

Bogdan-Andrei Iancu bogdan at voice-system.ro
Mon Feb 18 11:21:43 CET 2008


Hi Iñaki,

I followed your suggestion and improved the doc - shortly the online doc 
should be also updated.

Thanks and regards,
Bogdan

Iñaki Baz Castillo wrote:
> El Wednesday 13 February 2008 11:38:14 Bogdan-Andrei Iancu escribió:
>
>   
>> Inaki, could you please detail what you mean by:
>>
>> <quote>
>> In my opinion OpenSer does a special treatment for ACK in tm mode, even if
>> they are for failed transaction (hop-by-hop ACK's) or succesfull INVITE
>> (end-to-end ACK's).
>>
>> </quote>
>>
>> Maybe I can explain you more if I understand you question....
>>     
>
> I meant that, as you have explained, OpenSer keeps the INVITE transaction data 
> (for discarding retransmissions) and also uses this info to match the 
> following ACK.
>
> I hope not be wrong, your explanation is clear.
>
> Maybe the only not very correct is the "tm" doc about "t_check_trans()":
>
>   "ACK request - true if the ACK is a local end-to-end ACK for an existent
>    INVITE transaction."
>
> It could be writen in other way more RFC compliant (reading it seems that the 
> end-to-end ACK belongs to a transaction when in fact it's a new one, even if 
> OpenSer uses a previous INVITE transaction data to correlate it). Maybe:
>
>   "ACK request - true if the ACK is a local end-to-end ACK for a previous
>    INVITE."
>
>
> Best regards.
>
>
>   





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