[OpenSIPS-Users] B2B top-hiding + accounting

[Jeff Pyle]

Ovidiu,

I understand the separate server idea.  That indeed would be the simplest
with the existing configuration.

The manual accounting option does pique my curiosity.  I see the the
accounting functions you referenced in the documentation.  In the
flag-based accounting I'm used to, the radius server receives start, stop
and failed messages from Opensips and accounts them appropriately.  Would
I be able to look for an INVITE, BYE, etc in the routes you indicate and
then somehow send the same messages to the radius server?


- Jeff


On 12/3/10 11:00 AM, "Ovidiu Sas" <osas at voipembedded.com> wrote:

>Hello Jeff,
>
>The flag based accounting works only for relayed transactions.
>With b2b, none of the transactions are relayed and therefor flag based
>accounting will not work.
>
>If you use the local_route and b2b_request/reply routes, you can
>invoke some manual accounting:
>http://www.opensips.org/html/docs/modules/1.6.x/acc.html#id294003
>Later on, you will need to aggregate the acc records for both sides of
>the call.
>
>A simple solution for your existing setup would be to keep your
>existing config as is and add an outbound server configured in b2b
>mode.  The outbound server will do topology hiding while the existing
>proxy server will give you accounting.
>
>
>Regards,
>Ovidiu Sas
>
>On Fri, Dec 3, 2010 at 10:48 AM, Jeff Pyle <jpyle at fidelityvoice.com>
>wrote:
>> Hello,
>> I am having trouble understanding exactly how the top-hiding scenario
>>does a
>> call compared to one that simply uses the tm module to relay it.
>>Because of
>> this lack of understanding I can't even begin to understand the impact
>>it
>> would have on accounting.
>> I'm okay with tm-based configurations that relay calls from one side to
>>the
>> other.  I have accounting configured to save a radius record in a mysql
>>DB,
>> and it works quite well.  My goal is to augment my existing
>>configuration in
>> such a way to accomplish exactly what the scenario name would suggest ­
>>to
>> hide the topology in the SIP headers.  I'd like to mimic as much of my
>> existing configuration as possible, yet invoke the scenario in such a
>>way to
>> accomplish the top-hiding part.
>> I've looked at the B2B examples, and while I can follow them for the
>>most
>> part, the big picture isn't clicking on how it all works.  Perhaps
>>someone
>> has some hints to point me in the right direction?
>>
>> - Jeff
>>
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>>
>
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