[Kamailio-Users] Accounting: How to avoid a fraudulent BYE with lower CSeq?

Daniel-Constantin Mierla miconda at gmail.com
Sun Dec 21 09:21:25 CET 2008



On 12/21/08 10:09, Juha Heinanen wrote:
> Daniel-Constantin Mierla writes:
>
>  > When the value is transmitted via signaling, that has to be 
>  > stored somehow, b2bua is ultimate solution and the safest.
>
> i agree with that (which was also inaki's proposal).  but even with
> b2bua, problem arises if b2bua crashes and becomes unavailable for a
> moment or after crash looses its state.
>   
indeed. That's why I proposed multi-step accounting on proxy:
- request in/out
- reply in/out
While may not solve all known/unknown cases, it offers extra information 
that can be used to recover damages.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
http://www.asipto.com





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