[asterisk-users] CDR

[Bruce Ferrell]

Andrew Kohlsmith wrote:
> On Tuesday 16 October 2007 15:25:13 Philipp Kempgen wrote:
>> Michael Collins wrote:
>>> I don't know if it's relevant or not, but I do know that at least one
>>> legacy PBX vendor (NEC) has a 'solution' that helps with some of the
>>> sillier CDR's that could get generated.  They have what they call a
>>> "pseudo-answer timer" which is basically just a way of saying, "If a
>>> call doesn't last for at least X number of seconds then it really isn't
>>> a call and no CDR should be generated."  It is a bit of a case of
>>> throwing away all really short phone calls, even legit ones, but it does
>>> also get rid of the silly stuff: I pick up, get dial tone, then hang up
>>> or I pick up, dial ext 1234, let it ring for two seconds and then hang
>>> up.
>> I would definitely want a CDR record in this case.
> 
> Out of curiosity... why? Both you and Atis seem to want to see CDRs for 
> non-calls, and I'm unable to see why.
> 
> -A.

Well... I'm just guessing, but lacking any other means of collecting
information about call attempts, CDRs got elected.

When I worked on a DMS250 we had operational measurements that would
tell us about such things and CDRs were only for billing.