[OpenSER-Users] multi-leg accounting
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Thu Jun 12 09:57:19 CEST 2008
Hi Ruchir,
with multi-leg accounting, you can match all the records belonging to
the same call by using call_id, to_tag and from_tag. How you format and
store the CDRS is your choice :).
Regards,
Bogdan
Ruchir wrote:
> Yeah I just noticed that INVITE & BYE time difference gives accurate
> duration of the call. We can drop using ACK now :)
> Are there any standards for storing records for multi-leg accounting?
> I tried to find it but didn't get success. Can you please suggest
> which way we should store CDR to identify the records properly?
>
> On Wed, Jun 11, 2008 at 8:10 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
> Well, depends of how you process the ACC infor for building CDRs -
> that was more an opinion/recommendation than a must :).
>
> Regarding the ACK and call duration -- actually the media starts
> to flow immediately after the 200OK (when the INVITE log is
> generated) - most of the devices wait for ACK as confirmation that
> everything is ok and not for starting the call.
>
> Regards,
> Bogdan
>
>
> Ruchir wrote:
>
> I was thinking it should generate 9 records so it'll show up
> as 3 different calls so we can show CDR properly in web
> interface as well as calculate billing for users as the user
> who forwarded the call should be charged for the call. Also if
> we get INVITE only then we may not get accurate duration of
> call as actual duration starts when callee accepts the call
> and ACK is received. Is this scenario wrong?
>
> On Wed, Jun 11, 2008 at 5:19 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>> wrote:
>
> Perfect !
>
> regarding multi-leg calls - first of all, there is no need to
> enabled in for ACK and BYEs - make no sense. usually you
> want to
> see all the legs of the call for INVITE.
>
> Now, about how many records you get - depends on how many AVPs
> (used of multi-leg acc) you set from the script. If you 3
> INVITEs,
> means you add 3 values for at least of the AVPs .
>
> Regards,
> Bogdan
>
> Ruchir wrote:
>
> I had put setflag after t_newtran() previously. Now I
> moved it
> before t_newtran() and got records for INVITE, ACK &
> BYE for
> normal call perfectly. :)
> Then I tested for call forwarding scenario. In this case
> forwarding is set as below:
> 90004 -> 90001 -> 90003.
>
> I called 90004 from 90002 and I got 7 records in acc
> table. 3
> INVITEs, 3 BYEs and only single ACK. Shouldn't it log 3 ACK
> messages?
>
>
> On Wed, Jun 11, 2008 at 4:32 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>>> wrote:
>
> Be sure you set the accounting flag before any
> t_relay() or
> t_newtran() for the INVITE. To be sure, try to use
> log/xlog
> to put
> some debugs in your script and check if the flag is
> really set
> before t_relay().
>
>
> Regards,
> Bogdan
>
> Ruchir Lists wrote:
>
> I configured simple acc module to store records
> in acc
> table,
> set proper flags. Then tried to call number
> directly(not with
> forwarding) but still I get only BYE record. Any
> suggestion?
>
> On Wed, Jun 11, 2008 at 2:43 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>
> <mailto:bogdan at voice-system.ro
> <mailto:bogdan at voice-system.ro>>>>> wrote:
>
> Hi Ruchir,
>
> There are two aspects here:
> 1) making acc to work - setting the flags and
> getting the ACC
> records
> 2) enabling multi-leg account and putting more
> info into the
> accounted info
>
> First you should to solve (1) - just getting a
> simple ACC
> record
> for INVITEs and BYEs (no multi leg
> accounting) - it this
> working
> for you or you get only BYE acc?
>
> Regards,
> Bogdan
>
> Ruchir Lists wrote:
>
> Hi All,
>
> I'm trying to configure OpenSER with
> multi-leg
> accounting. I'm
> using OpenSER 1.2 & radius. I'm using
> acc_radius
> table for
> writing cdr records. I've searched through
> several articles
> and mailing list posts about configuring
> multi-leg
> accounting
> and everywhere they talk about setting up
> multi-leg-info
> parameter of acc module to configure leg
> source &
> destination
> and setting up accounting flag. But this
> is not
> working for
> me. I get only BYE record in table if I
> use this
> way to
> write
> multiple records for one call in call
> forwarding
> scenario. I
> managed to get multiple records by calling
> acc_rad_request on
> INVITE, ACK, BYE & CANCEL. For instance,
> I have
> 4 users;
> 90001, 90002, 90003, 90004. The call
> forwarding is
> setup as below:
> 90004 -> 90001 -> 90003.
>
> I dial 90004 from 90002 user and it
> forwards the
> call
> to 90001
> & then 90003 and they're connected properlry.
> However I
> don't
> get leg source/destination properly and
> also I
> get 7-8 bye
> records for this call. Can anyone guide
> me in right
> direction
> if I'm doing anything wrong.
>
> Regards,
> Ruchir
>
> ------------------------------------------------------------------------
>
>
>
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