[Asterisk-Users] ANI II/Payphone indication

[James Sharp]

> Quickie: Does anyone out there have experience with PRI delivery of ANI II
> information?
>
> Specifically, I want to know if it's possible from within Asterisk to know
> if the inbound call (which may or may not be to an 800 number) came from a
> payphone or not. I know with some 800 providers it's possible to block
> inbound calls from payphones (due to the FCC surcharge etc) but was
> wondering how accessible that information is once the call hits my box.

I'm not sure about PRIs, but when I did it with Feature Group D trunks,
the information came in as ANI II info digits prepended to the ANI.  I had
to modify * a bit, though, because it was stripping off the info digits
and throwing them away.