[OpenSIPS-Users] accounting and strange scenarios

[Alex Massover]

Exactly, I took a look and I always have failed_transaction_flag  & aaa_flag  enabled.

-----Original Message-----
From: users-bounces at lists.opensips.org [mailto:users-bounces at lists.opensips.org] On Behalf Of Richard Revels
Sent: Wednesday, September 01, 2010 9:19 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] accounting and strange scenarios

I'm kind of thinking that if the BYE is not accepted (error response) the failed_transaction_flag flag might need to be set at the start of the BYE transaction as well in order to pick it up.

  
On Sep 1, 2010, at 10:41 AM, Alex Massover wrote:

> Probably you don't trigger accounting for BYE request from the script (or not to all BYE requests).
> If you want also to account CANCELS there's a flag in the acc module to do it (as far as I remember it doesn't enabled by default). 
> 
> If accounting is triggered for BYE request - it produces ACC STOP regardless if BYE is accepted or not. 
> You supposed to have STOP with code=487 in thirst case and 2 STOPs in second case (one with code=200 and another with code=481).
> 
> -----Original Message-----
> From: users-bounces at lists.opensips.org [mailto:users-bounces at lists.opensips.org] On Behalf Of Stanis?aw Pitucha
> Sent: Wednesday, September 01, 2010 4:43 PM
> To: OpenSIPS users mailling list
> Subject: [OpenSIPS-Users] accounting and strange scenarios
> 
> Hi all,
> 
> I've got 2 situations where opensips doesn't store the `acc` info
> properly (imo), for some reason.
> The first case is a bit complicated (best viewed with your favourite
> monospace font):
> 
> --->8---
> A       Proxy       B
> INV->
>      <-100-INV
>        INV->
>                  <-100-INV
>                  <-180-INV
>      <-180-INV
>                  <-200-INV
>      <-200-INV
> CANCEL->
>      <-200-CAN
> ACK-INV->
> BYE->
>        BYE->
>        ACK-INV->
>        CANCEL->
>                  <-200-CAN
>                  <-487-BYE
>      <-487-BYE
> --->8---
> 
> So there are are lots of packet reorderings and on top of that, The
> cancel seems to be sent out before 200(INVITE) is received by A-side.
> This leaves me with accepted INVITE and no BYE (because BYE was
> rejected) in the acc table. CANCEL is not accounted at all.
> 
> The second case a bit similar:
> 
> --->8---
> A       Proxy       B
> INV->
>      <-100-INV
>        INV->
>                  <-100-INV
>                  <-180-INV
>      <-180-INV
>                  <-200-INV
>      <-200-INV
> ACK-INV->
>        ACK-INV->
> BYE->
>                  <-BYE
>        BYE->
>      <-BYE
> 200-BYE->
>                  <-481-BYE
>        200-BYE->
> --->8---
> 
> The accepted BYE is not in the `acc` table either for some reason. I'm
> left with INVITE only.
> 
> Are those opensips-acc bugs? Do you know some more clever way to deal
> with accounting in this case?
> 
> Regards,
> Stan
> 
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