[asterisk-users] CDR Desgin

[regs at kinetix.gr]

I agree with Freddi and would like to add that a field indicating the
order of the outgoing legs would be very useful. For billing purposes
one could benefit very much if one new the order of the providers
that were called in a specific call.

Freddi Hansen wrote:
>> To me the obvious answer is to provide a CDR for every call leg so for
>>     
>>> A calling B via Asterisk there would be two CDRs produced. It's far
>>> far easier to disregard the unwanted CDRs than it is to try and
>>> generate the missing ones and in some cases it's virtually impossible.
>>> If it's weighed up I think people would vote to have accurate CDRs
>>> ahead of anything else and if single legs are the best way to do that
>>> then it's the way it should be done.
>>>
>>> In addition with single leg CDRs it will solve the dilemna about
>>> acommodating every possible call scenario that I know has caused you a
>>> lot of consternation over the last 18 months.
>>>
>>> Sure it's a change from the current situation so maybe needs to use
>>> the standard apporach of a configuration setting to opt in initially
>>> before becoming the default in the subsequent major release.
>>>       
>>   
>>
>>
>> OK, Greyman, your logic is solid. If we provide a CDR implementation
>> that just generates the individual call legs, and ties them together via
>> the linkedid
>> (see team/group/newcdr), then both camps should be able to derive the
>> info
>> they need for billing, via hopefully not-overly-complex SQL queries to a
>> backend db.
>>
>> I'll modify my RFC to reflect this line of thinking. Yes, it is a bit of
>> shift.
>> And, yes, the implementation will make this new approach optional, and
>> not
>> default. But, pardon if I make it available via the CEL domain come
>> implementation time.
>>
>>
>> It should take me a week to rehash my document; perhaps longer (I'm in
>> bugfix mode, and this borderline development work); in the meantime,
>> those with decided CDR needs might make their wishes known, if they do
>> not think this approach will work. Speak now, or forever hold your
>> peace; or forever complain... or whatever.
>> If this is particularly distressing to you, perhaps your fears might be
>> slightly assuaged when you read the details...
>>   
>>     
> I was part of a team that did design a multiservice billing system about 
> 15 years ago and the solution people seems to agree on here (and me to) 
> looks pretty much the same i.e one call may consist of several calls 
> legs. In addition to the linkedid it would be nice to have an indication 
> in the cdr that tells us that 'this is the lastone on this  linked id'.
> Our experience was that  we shouldn't  for load reasons work with cdr's 
> in the immidiate multileg format in the DB. So we did collect cdr's in a 
> tmp DB until we got the the record with end marker set. We would then 
> produce our final cdr for the actual service, store it in billing col. 
> and delete it from the multileg col. When a new service is created we 
> only have to make a the new customized cdr, we don't have to touch the 
> generation of the multileg format.  
>
> Freddi
>
>
>
>
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