Hi,
I have been using the (modules 2-2) Fraud Detection Module for over a
year now and everything has seemed OK, but an incorrectly set up auto
dialler has uncovered an issue with concurrent calls...
Normally you make a call and the concurrent calls statistic increments
for the user, once the call is cleared down the concurrent calls
statistic decrements, so far so good.
If you make a call to a non-existent number and the gateway returns 404
not found, the concurrent calls statistic increments but does not
decrement. The same is true if you call a valid number but cancel the
call before the callee answers.
So I can get the situation where MI command show_fraud_stats shows:
calls per minute:: 1
total calls:: 28
concurrent calls:: 24
sequential calls:: 2
But there are no active dialogs on the system. I make the call to the
check_fraud function during the initial invite code before t_relay to
the gateway.
Any feedback would be appreciated.
Kind regards,
Adrian Fretwell
A² Engineering Services
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